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The GT350 Garage
United States
เข้าร่วมเมื่อ 14 มิ.ย. 2020
Welcome to The GT350 Garage! I've spent the majority of my 30+ year automotive career restoring and modifying cars (and trucks) for other people. Now I'm sharing that knowledge and experience as I document my 1966 Shelby GT350 Mustang project (and more) with you!
SUBSCRIBE for:
- ORIGINAL CONTENT following the progress of my 1966 Shelby GT350 project!
- UNBIASED REVIEWS of products that you won't get from retailers or sponsored channels!
- TECHNICAL INFO that brings vintage cars into the modern age!
- KNOWLEDGE that support the technical information in my videos!
- GUIDANCE processes for difficult jobs to make them easier to do yourself!
- PASSION for the the hobby and the joy it brings us to drive the cars (and trucks) we build!
SUBSCRIBE for:
- ORIGINAL CONTENT following the progress of my 1966 Shelby GT350 project!
- UNBIASED REVIEWS of products that you won't get from retailers or sponsored channels!
- TECHNICAL INFO that brings vintage cars into the modern age!
- KNOWLEDGE that support the technical information in my videos!
- GUIDANCE processes for difficult jobs to make them easier to do yourself!
- PASSION for the the hobby and the joy it brings us to drive the cars (and trucks) we build!
How To Fit A 245 Width Tire On A 65-66 Shelby GT350 Mustang With Stock Front Fenders
This is a setup video where I explain the combination of parts used on my ‘66 Shelby GT350 to achieve a very high performance suspension system that looks incredibly stock. The alignment capabilities of this setup are far beyond the range of what was possible even for the Shelby GT350 R-Models and rival the best vintage race cars and pro-touring builds alike. Watch along as I discuss how I brought all of this together and show the alignment capabilities in detail.
Thanks for watching!
If you enjoyed the video, Please:
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Follow me on Instagram:
gt350_6s_1523 - @GT350_6S_1523
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www.Facebook.com/TheGT350Garage - @TheGT350Garage
Email me at:
TheGT350Garage@gmail.com
#shelby #mustang #gt350 #ford #289hipo #restoration #performance #modification #steering #suspension #alignment #camber #caster #wheels #tires
Thanks for watching!
If you enjoyed the video, Please:
- Like
- Subscribe
- Turn On Notifications
- Share
Follow me on Instagram:
gt350_6s_1523 - @GT350_6S_1523
Like and Follow on Facebook:
www.Facebook.com/TheGT350Garage - @TheGT350Garage
Email me at:
TheGT350Garage@gmail.com
#shelby #mustang #gt350 #ford #289hipo #restoration #performance #modification #steering #suspension #alignment #camber #caster #wheels #tires
มุมมอง: 2 211
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How To Tune & Use: Pump Gas, Race Gas, & E85 In Your Street High Performance Engine
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Assembling your own cylinder heads isn’t difficult with some basic tools and a little knowledge. I show the process to check installed height at the retainer, check pressure at the installed height and explain how to calculate open pressure. Thanks for watching! If you enjoyed the video, Please: - Like - Subscribe - Turn On Notifications - Share Follow me on Instagram: gt350_6s_15...
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Porting TFS Twisted Wedge 170 Small Block Ford Heads w/ Raised Intake & Exhaust Ports For My Shelby
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This is an early progress video to show the roughed in ports on my TFS Twisted Wedge 170 Heads for the 289 I’m building to put in my 1966 Shelby GT350. In order to reach my power goals, these heads require extensive work, but the finished product will hopefully contribute to the engine meeting or exceeding the goal of matching the modern GT350’s 100hp/liter power output. Take a look to see the ...
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Yeah, this one is short, and shows a little bit of the chaos I’ve been experiencing. No fancy title cards, just an honest update.
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Easy DIY Performance Re-Curve: '57-87 Ford V8 Distributors - Tune Your Ignition Timing
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Step By Step Rear Axle Bearing Replacement
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I recently steam cleaned the engine compartment and underneath my '66 Shelby GT350 and when I was looking it over more closely it fully revealed some old hidden damage to the car's floor, damage that I was previously only partly aware of. The good new is the damage does not involve rust or the need to perform panel any major panel replacements because this is not a concourse restoration. As I p...
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I'll run E85 and not worry about it! I only deal in WOT anyway.
Fools and their money are easily parted. E85 is a joke, and the joke is on people like yourself who think it’s better than pump 91-93. The garbage they call E85 from the pump is wildly inconsistent and has to be tested tank load to tank load due to wild variations in ethanol content. Canned E85 is expensive enough you may as well run proper racing fuel. And if you’re only running WOT, you probably have a 12-15 second attention span so I doubt you grasped the concepts presented in this video.
Dude" nine and a half minutes in. Guess how much I have learned about Compression and pump gas. Talk About going to LA via Omaha.
So what you’re saying is you want expert level knowledge passed onto you in such concise detail that you’re fully capable of competently tuning your own engine in under 10 minutes. You’re probably the same guy who thinks professional tuners overcharge their customers for a few keystrokes and a little dyno time. This isn’t a video for people with the attention span of a toddler. You either stick with the video if you really want to learn something useful, or you go back to watching TH-cam Shorts and TikToks that better suit your learning style. And I read your first comment before you deleted it, feel free to not like or subscribe based on what you said there.
Hell yeah brother! This is going to be a sweet ride! I totally agree with your "be honest with yourself" motto with the car build ups. Really helped out with my decision making with my 2001 New Edge Cobra.
Encouraging video. My leak is intermittent. Do you think it is the heater core? Thanks
I have seen them leak slowly and only occasionally smell of coolant. It’s an easy job really to remove and rebuild the heater. If you’re concerned, you needn’t be, it’s really not that difficult, just be patient and take your time, the whole process can be done in a weekend or a series of week nights.
Thanks for this very detailed and logically done video. You’re helping me and my sons get our ‘66 back on the road
I’ve had quite the year and haven’t been posting new content but thats about to correct itself. Look for an update in the next few weeks and I hope you’ll get some additional value from my efforts moving forward. Thanks for watching!
I have my 302 stroker at 42 degrees. 10.5:1 compression, pump gas, car is light weight. When I took it back to 36 degrees, I lost a 1/10th in the 1/4m. Seems weird, your thoughts?
In my experience, you’re either dealing with an incorrect pointer and balancer relationship, or you are using a timing light that is misinterpreting your ignition timing. A lot (most) digital timing lights can’t handle multi-spark CD ignition outputs. The multi-spark output skews the timing light signal making it seem like the engine is tolerating more timing than it is actually operating at. I’ve been using the Pertronix Digital HP ignition more the past few years and with great success, and one of the key features I use on it is the ability to disable multi-spark for timing purposes. Now, it’s also possible your engine is not actually 10.5:1 and your cam may be bleeding off so much compression that you effectively have far less cylinder pressure than you think. Running a compression test correctly will tell you the engine’s pumping performance, and identify a cylinder pressure issue. Using an analog (old school) timing light can help you identify an issue from your ignition system. And finally, putting a piston stop in the no. 1 cylinder can help you ensure the timing pointer is truly reading TDC at TDC. The final caveat is that some cylinder heads (you don’t state what you’re using) have truly terrible combustion chambers, meaning they are inefficient and cause a “slower” burn rate leading to a need for more ignition timing. This is a common problem for D shaped wedge type chambers like FE Fords, but some Windsor heads (OE and Aftermarket) are affected by this chamber shape issue.
@@TheGT350Garage The pointer was checked. Old style ported Trick Flow heads. Compression test, with a cheap tester is about 185 and even. Cam is 231/239 @.050 and 110 LSA. And I just use a basic timing light. Ignition is just a Fast brand ready to run deal. No multi spark. Thnx
Ok, if you’re using old school High Ports, especially aluminum, then yes, you’re in the ball park, at 42°. Those heads have a rather slow chamber. I would caution you to be careful with the rate of advance, meaning don’t run an overly aggressive curve, bring in total at 2800-3200rpm, and use vacuum advance to improve idle and cruise efficiency and lower operating temps. Twisted Wedge heads, be it a 15°/17° 170/185/205 head, a Twisted Wedge R, or the newer 11R series, have a much more efficient chamber and for your cylinder pressure on a 347 they would want 34-36° max, all in at 2600-3000. It would be worth a couple hours on a dyno to set up the air fuel ratio and then optimize the ignition timing on the car at several points in the rpm band to find the ideal shape for the ignition timing curve your combination truly wants or needs.
I bumped a 5.2 magnum from 8.8:1 to 9.26:1...its now developed an appetite for 90 octane. You must meet the engines octane requirements..no if ands or buts..detonation will rapidly deconstruct your engine.
If you use the same ignition timing and air fuel ratio at 8.8 and 9.3 you’ll need about 1-2 additional octane points, or as you’ve observed an increase from 87-88 to 89-90. Your assessment that the engine requires the addition of more octane is because you have ignored both the air fuel ratio and the ignition timing in the OE fuel injection. Optimize the air fuel ratio and you’ll find the engine can return to the original octane rating by running at .84-.86 Lambda and you’ll also be within 1° of the original ignition timing. Making the same if not more power than you are on 90 octane with the lousy factory fuel and spark mapping.
Brother thank for sharing this video worked the first time. Only difference is I rented the oem from AutoZone. The other problem was I was in a tight spot with the crossover pipe on the rear of STS. I used a 1/4 impact to flare with. I know this is an old video but the best one.
Anyone else notice homie is just reading a motor trend article instead of tuning a high compression engine using “modern pump fuel” ?
“Homie” is writing a book on this topic, teaches it professionally after doing it professionally for 35 years and has the ability to use grammar and the English language fluently in a comment. This is content from the book, not someone else’s work, if you think that, you’re welcome to get lost and follow the pundits of misinformation elsewhere on the internet.
It's incredible the amount of work. And knowledge. 👌
The stock ignition timing for a 1966 Mustang with 289 ci engine is 6 degrees BTDC. Modern fuels are worse than the fuel in the sixties. So my question is: is 6 degrees BTDC still the right specification in combination with modern fuel? I ask this question because of the relative high temperature of my cooling flued. Thanks in advance for your reaction .
Let’s hit this comment head on. You’re dead wrong about fuel quality, modern fuel is VERY good. Its clean in the sense that it doesn’t need nearly the level of filtration fuel did as recently as 25 years ago, but compared to the fuel used in the 1960s it’s drastically better quality is every respect. Modern fuel burns more efficiently and cleanly than the old fuel blends, it produces equal or greater power by weight as well. You simply don’t seem to understand it, and this is where you are getting in trouble. The first notable thing is watch my video on tuning for high compression using pump fuel, you’ll learn a lot if you pay attention and keep an open mind. Secondly, watch my distributor curve video and again, pay attention and you’ll learn a lot. I explain in both of those videos how to set up the ignition timing on these older engines. You’ll need the information from both videos. If you don’t have the patience to spend a couple hours learning, you can always shoot me a super thanks and an email and I’ll take my time explaining it to you in that format. Suffice to say your temperature issues are likely timing and air fuel ratio related, but since I’ve already provided the information in those videos I’m not going to keep dragging out responses.
Hey there Walter. How could i get a hold of you for some basic questions?
Email: TheGT350Garage@gmail.com
What the actual f.....💩🔥💩
Great tips, thank you
Im getting ready to do brake line on my 68 firebird. Not stainless but nickel\copper. I already was going to ream but the leveling with the file was a great tip. You also showing how to set the height for the double flair was extremely helpful. Thanks
On oil pan end corner gaskets can I just use Honda bond or good grey and rubber seal under cover
If you have a 1-piece oil pan gasket and the gasket stays intact, a little 1/4” bead of ultra grey across the gasket at the block where the timing cover gasket meets the oil pan gasket and also where the oil pan gasket goes under the timing cover around the crank will do fine. If you use the cork ends that come on a timing cover gasket set, use a thin layer of ultra grey to attach them to the cover and install the end seal like you would normally. If you didn’t drop the pan, it’s a little tricky to get it all lined up but not a big deal. Just do t get carried away with the ultra grey. A smear on the timing cover gasket, and bond it to the cover first let it set up if you aren’t in a rush, then the same on the other side before installation. Don’t try to use the ultra grey as the only seal, while it would probably work, you’ll need a priest to exorcise your demons after the swearing fest you’ll have taking it apart down the road. I once had a customer buy a long 5.0L block I built and use probably 2-1/2 to 3 full tubes of black silicone trying seal it up for installation. It was fine for a couple of minutes then it lost oil pressure. He got really accusatory about my build and pulled it out, we stood behind the build and I stand behind my work to this day. There was so much silicone in the pan and lifter valley I pulled it out by the handfuls. Needless to say it wasn’t my fault and on seeing the pictures and that the oil pump bypass was stuck open after the oil filter plugged with the stuff, he apologized and paid for my time and the parts to fix it. The old saying “A little goes a long way” really applies with gasket makers and silicone sealants.
1990 mustang OEM is 192 should I stick with that Motorsport I’m overheating at idle with a/c on in Florida it gets to like 220. New radiator and pump and fan clutch I feel 180 will cause issues thoughts?
As long as your fan and radiator are in good condition,, the 192 thermostat is fine. I suspect you have tuning related issues. If the timing is not correct and the air fuel ratio is not correct, these engines will run warm. 220 at idle is hot but not overheating, it’s usually caused by timing or issues with vacuum leaks causing a lean condition.
I’m very surprised you didn’t cover a clutch fan which seems like such a better choice than a flex fan
Viscous fan clutches are fine with air conditioning, but not well suited for the high rpm of a performance engine. They are also heavier and shorten water pump life because of the loading on the pump bearings. I don’t really have any issues with them in practice but they don’t have a place in a performance application. I’ve had similar questions about electric fans (there is not adequate space in Gen 1 Mustangs from the pump to the radiator) so people want to run pusher fans. You really need the high airflow below 35-40mph, above that it’s all about getting the air through the grill into the radiator core and out.
Can i remove or should I remove the sticker that covers magnetic.....3 wire. Dura last searching for spark new distributor 85 yes same dissy and new msd 6al thank you. Spark test....bulb at the spark plug itself. No light😮 the sticker is void warranty if removed
Not sure what you’re asking. 6AL (any magnetic pickup capable ignition) you use the two wires connected to the pickup, you can remove the ground wire. No need to remove a sticker, just connect the purple and green leads from the MSD to the pickup.
I have always put a drop of brake fluid on the end of the tubing. not sure its necessary, but thats how my gramps taught me.
Brake fluid itself is not the best choice for a lubricant.
Love your videos! Anything upcoming?
Absolutely, but I moved and that meant setting up an entirely new workspace.
love the video plenty of information; however, when does rich become too rich? or does it not become too rich? for example, let's say sr20 engine makes 200hp using pump 91 from factory and want to triple/quadruple that number using same 91 octane. if it were to be measured by mass air/fuel ratio and lambda rating, does this means that extra fuel is being pump every time? if it were so doesn't this means that it's not efficient? and another method should be used to combat the heat or whatever the extra fuel is used for say for example water/meth injection? I'm just asking questions looking forward to your reply
Lambda is the best way to explain this, and metric volume and mass make it all easier to understand. 1hp requires ~0.563 grams per second of air. So if you have a 200hp engine it needs 112.6g/s of air. 400hp would need 225.2g/s, 600hp would need 337.8g/s. Lambda gives us better insight into the quality of the combustion process. Naturally aspirated engines can tolerate a leaner mixture and as a result lambda under maximum output will be .84-.88 where a turbocharged engine under a maximum of about 15psi boost will be .80-.84 Lambda. As boost pressure increases lambda changes very little, only about .02 for safety by 30psi. (Side note, you need to move more air volume at lower pressure to reduce heat and improve efficiency or you’ll need more fuel to cool the mixture down). Lambda is the air fuel ratio you need by multiplying it by the stoichiometric ratio of the fuel. So pump 91 is 14.1-14.2:1 these days, that means your target air fuel ratio is 11.3:1 on the rich end and 11.9:1 on the lean end under power. At 200hp you need 112.6g/s divided by 11.3 to arrive at 9.96g/s of fuel. The specific gravity of fuel is ~.74 so 9.96/.74 means 13.47mL/s or 808mL (0.808 Liters) of fuel per minute. Divided by the number of cylinders, and divided again by .80 you can get the injector size for 200hp. At 400hp you need 225.2g/s divided by 11.3 to arrive at 19.93g/s of fuel. The specific gravity of fuel remains ~.74 so 19.93/.74 means 26.93mL/s or 1615.9mL/m, 1.616 Liters of fuel per minute. Divided by the number of cylinders, and divided again by .80 you can get the injector size for 400hp. You’d run the same numbers for 600hp but be aware that as boot rises above 15psi so does the temperature of the air charge. Also, if you were using a centrifugal or positive displacement supercharger the numbers are different because you don’t see the parasitic losses to drive the supercharger in the flywheel horsepower. This is why Brake Specific Fuel Consumption (BSFC) on engine dyno tests is always higher on superchargers than turbocharged or naturally aspirated engines. An Eaton 2.3L TVS on a 2.0L engine would support 600hp with ease, but it will take 70-90hp through the belt drive to make the power, which means if you make 600HP with that supercharger you need enough fuel to support 670-690hp. Hope that answers your question.
@@TheGT350Garage it did more than just answer thanks. if you provide tunning lessons or whatever lessons to help increase knowledge in the auto world i would sign up
Shoot me an email to discuss consultation.
Sure takes you a long time to get to the process talking about your Vise and bench and lines and stuff just get to the point teach a guy quit babbling
Thanks for the completely useless comment.
This was extremely helpful!! Thank you!
Thank you for your reply
Fantastic video!!! I am a bit late seeing it lol😂 but this fuel adjustment technology has been driving me crazy with my old ford Cleveland engine. So here’s my question. I’m using 89 octane at 13:8 AFR for light cruising. Using what you described with E-10 fuel what should the aft be?
Based on the info in your other comment, cruise should be 13.5-ish. The open chamber heads, small cylinder pressure building cam profile and the moderate compression ratio will need to be just a hair richer than a more optimal setup.
Thank you for your video sir. Although I use a different setup with my 351C powered mustang, tuning for modern fuel has changed dramatically since I purchased my car in June of 1976 as a 17 year old. I use a Fitech system that also controls ignition timing. Back in the day when ignition systems weren’t as powerful as they are today, 36-38 degrees total timing was probably a standard practice. Perhaps I’m wrong but it seems that the power of a multi spark ignition like MSD as lessened the need for those kinds of total timing numbers. In my case, compression is 9:6:1, flat top piston camshaft specs are 568 intake 584 exhaust on a 112 LSA duration of 216/224@.50 Crane hydraulic roller. Originally a 4V open chamber head but now uses 2V open chamber since 1995. MSD 6-A blaster 2 coil plugs gapped at .40 right now. I only use 32 total but 18 initial with the Fitech EFI. 89 octane fuel but I have used 93 also. C6 trans and the original gear if 3:25. I know that’s a lot of information but what if anything would you change? AFRs are 14.2 idle 13.8 cruise. Thanks again for your video
Great video I have been fighting this problem with my 1967 Falcon looking forward seeing the rest of the videos.
Correct me if I'm wrong. I would have thought that the optimum timing would be different for the different fuels due to different flame traveling speeds. Somehow it seems like the flame speed in the actual cylinder charge is in the same range, thus leading to the same advance. Or is my conclusion mislead by different effects being overlaid?
Fuel is interesting stuff. It’s easy to think the octane rating has something to do with flame travel but it’s really just an indicator of ignitability the higher the octane the more stable it gets. Once it’s lit, 87 burns about the same speed as 91-93, 96-100, and 100+ octane fuels. Add to that the air in the cylinder is the limiting factor in the combustion process and the oxidizer that helps that fuel burn. The fuel was adjusted to the air the engine consumed and the timing is determined by the compression ratio, piston and chamber shapes, so once the air fuel ratio is optimized timing isn’t going to be much different regardless of the octane.
@@TheGT350Garage Cool, thank you for clarifying. So for gasoline it's about the same. I should have mentioned that I was thinking about ethanol vs. gasoline, not so much about the different octane ratings. That's why I imagine that there are effects at work e.g. charge cooling vs. fuel vaporizing, that cancel each other out to make a net 0 difference in this case. Like, if we look inside the chamber it might burn slower at a glance but there is less mixture in the ring land which would have taken longer to combust. So the optimum timing stays about the same.
@maikgoldmann5691 ethanol does have a cooling effect, and it carries 33% oxygen by weight, so as a fuel, it takes a lot more of it (thus the near +50% volume difference vs most gasoline blends) and even though you have more oxygen, because you have a larger total volume of fuel, the speed the fuel burns remains relatively constant to a given combustion chamber. I’m not a fan of pump E85 at all, it’s horribly inconsistent and you bad need to test every batch before using it to estimate the stoichiometric ratio and then adjust your tune accordingly. “Race E85” is at least consistent, but it’s nearly the cost of proper race gas. You actually get more benefit from installing a water/methanol injection system and running straight distilled water with pump 91-93 octane than you do from any version of E85, and if you want power gains, you can run up to 50% M-1 methanol (fuel) which will allow more timing and a slightly leaner fuel flow through the carburetor or injection system. Sadly, the perfect setup doesn’t exist in my experience, because that would mean having an ECM that monitors air/fuel ratio, EGT, Knock, and adjusts both the fuel injection and water meth injection actively and has protection against running out of water as well as the ability to progressively meter it against the tune.
I just replaced my thermostat on my 65 Galaxie 500 352 motor with a Robert Shaw 195 deg. I have learned alot in thermostats. Back in the 80's when i had my 66 Mustang Fastback 289 hipo 671 Hampton blower. It always ran very hot. Your right its all about tuning and cooling. Wish i never sold that one😢.
Very good video! Thank you. Is there a technique / tool would you suggest to do a proper double flare under the car, if you just need to cut and replace a rusted section of brake line.
Eastwood and Earl’s sell a very similar tool that works well under the car, but like anything, the preparation is key.
Very informative, you really appear to know what you're talking about, I'll be applying what I've learned today, I'm building an engine and as it turns out i was concerned that i might be a little over 10:1
10:1 is absolutely fine as long as your quench clearance is .040-.060”. Any more than that and you start getting detonation in the quench area. If you’re using a dish and it doesn’t match the shape of the combustion chamber that’s also problematic. But 10:1 is a good starting point. You want to make sure your cam duration and specifically the opening and closing events produce the ICL, LSA and thus overlap you need for best results. People tend to get in trouble by using too small a cam or running a larger cam that leans towards building too much cylinder pressure in lower to mid range operation, and that too complicates the process.
@@TheGT350Garage it's actually a 1.8 ltr. mgb engine, very slight dish, 6cc, kidney shaped chamber. Presently at about 9.5:1, runs great on 93 octane but below that, I really have to back off the timing. the head is cracked across two seats, been running fine for the last 20k but feel like it's just a matter of time before it fails. I acquired another head but later found that it was skimmed .060 and think it would take me above 10:1. I have I new stock cam and runs great, smooth idle. Do you think a light porting would positively tone down posible detonation, thanks in advance.... Luc S...
@lucsavoie9501 port the skimmed head lightly to improve airflow, simply working in the bowl to contour the guide bosses and remove any casting flash or machining peculiarities in this area of the port and profiling the combustion chamber to unshroud the intake valve, and lay the deck back down to the seat with a gentle transition inside the gasket opening along with getting a slight 1/16” or so radius on the chamber anywhere it’s exposed to combustion combined with a proper valve job, and you can make big improvements in about 4 hours time plus the valve job. Then get a “Fast Road” type cam with duration in the 260-270 range to take advantage of both the compression and flow, you’ll have a very fun little combination. The one thing to consider is the piston to deck clearance, I generally build to 0.000” and set piston to head clearance with the gasket. Ideally you’ll want 0.032-0.035” clearance, if that clearance is more than that because the piston is below the deck, and you can’t get a thin enough gasket to get in that range, consider decking the block. It will further increase your compression but substantially decrease the likelihood of detonation in the quench areas.
Hi I know this is an old post but thank you !!!!!
Thank you for this information! New subscriber for sure. Thanks
Thank you so much for explaining the thermostat. You are spot on, i was having this problem. I changed to a 180,from160. An so good. Looking forward to the rest of your video's
The key is his tool is older than he is - manufactured with tolerances you can't buy today.... you too can flare perfectly if you can find an antique tool as well.
I use OTC’s version of this tool teaching brakes at work. otctools.com/products/master-brake-flaring-tool-kit
Filing just put metal filing into your brake system.
If you don’t flush your lines before you install them, then yes. Flush your lines.
Lol no he didn't dumb ads. Clearly you have no idea wtf you're doing
Softening the quench area helps to decrease spark Knock(detonation)
I agree with softening but not “slowing” the chamber. I’ve applied the principles of the “soft head” and “groove theory” in building engines over the past 20+ years, and both when applied correctly work very well, but both require a rather tight quench area and a small combustion chamber to be most effective. For the average enthusiast, simply detailing the combustion chambers to remove any sharp edges is an important and easy step to pull the most out of the chamber, a basic softening technique. Even CNC machined heads benefit from a light touch with some abrasive, be it hand finishing with 400 grit paper, or like I do with Scotch Brite pad in a mandrel on a die grinder.
From the thumbnail l was expecting more, oh well. As l suspected basic stuff, all good.
Boy are you ever wrong about higher compression and cleaner burning exhaust. In 1967 Chrysler started going to open chamber versus closed chamber and small block in 1970 to slow down the burn by lowering the compression so that the hydrocarbons would burn more complete. Close Chambers make more horsepower by burning fasrer. Anything over 9-1 compression is too high or too fast of burning motor to be considered for a catalytic converter. I don't see naturally aspirated motors with anything over 8.5 cr. hardly! Engines with less than 91 compression ratio require less of a catalytic converter. It's always a trade-off. Raise the compression but and the gas mileage will go up but then you're going to have to pay more for metals in the catalytic.
If what you’re claiming had any merit, cars would still be laboring along with abysmal performance, terrible fuel economy, and mediocre emissions performance. Quite the opposite is happening because of increased compression ratios, forced induction, and substantially better understanding of the fuel being burned. You could learn something if you weren’t stuck in an outdated mindset and burdened by your skepticism and ignorance on this subject. 2016-2021 GT350 5.2L is 12.5:1 on 91 octane and meets ULEV II emissions. 2018-current Toyota Camry 2.5L is 14:1 on 91 octane and meets SULEV30 emissions while producing 204hp and getting 42mpg highway with even being a hybrid. We can easily clean up the emissions and improve the performance with the knowledge available to us in 2024, but if you’re so obviously stuck living in the past, you’ll never grasp the information I’m presenting here.
If you really want accurate recurving, you need a Sun Distributor tester. You can see and adjust mechanical and vacuum advance, set your points and test your condenser. There is also an adapter for electronic ignition, and a flathead dizzy adapter.
Absolutely unnecessary to have a distributor machine to get an accurate curve. All you need is a tachometer, timing light, and vacuum gauge, and the entire process can be done on car.
@@TheGT350Garage Im' not saying you can't do it without a dizzy tester, Im' just saying it's more convenient and more accurate to do so. And it takes less time and test driving. You can't flash a timing light on your pulley while driving, can you? ;-)
How is it more convenient to remove your distributor and have to find someone with a machine? And the accuracy of the machine is no better than the accuracy of any good timing light. Any issues that will occur doing the curve work in the car will occur with a distributor that was curved on a machine. And you’re clearly not grasping that the mechanical advance is RPM based, not engine load based, meaning a stationary rpm step test that takes about a minute to perform is perfectly accurate and safe. You test idle timing then 250rpm increments from 1000 to 2000, and 500rpm increments from 2000 to 4000rpm. If the timing is still advancing at 4000rpm you can test at 4500 or 5000rpm to verify but that’s only done to identify springs that are far too stiff. The actual test takes less than 90 seconds to collect all the before data, and the same time to verify the after curve. If you think the car has to be driving to verify the correct timing you are missing the connection that the engine is simply doing the same job as the distributor machine in your garage or driveway.
Very helpful, informative, and explained excellently. 10/10
THANKS!!! The Evercraft tool I bought at NAPA will not even hold the stainless tube tight enough to do a flare even when fully tight. I've tried to use the hole size smaller to get a better grip on it and also tighten it as tight as it will go and the tube still pushes through the tool. The tube ends up distorted and, of course, a smaller diameter, which would probably allow leaks. After about 15 attempts the flare is only 25% of what I want. I'll try to get my $22 back. THANKS AGAIN!
I know the exact tool from Napa. And I also was just as disappointed. I wasn't even using stainless. The tool probably works on copper only.
A $22 tool isn’t going to get the job done. A $40 tool (OTC brand) is a bare minimum these days, and the $100 OTC kit (truly a professional grade tool) is about on par with what I use. Most of these tools are nickel-chrome plated, that makes them far less effective at gripping the tubing you’re trying to flare, be it stainless, ni-cop, coated steel, or galvanized steel.
Great videos and explanations. I'd be interested in your perspective in a complete package for my 351w/ 427 stroker build
Shoot me an email and we can discuss it further.
I found these tools are terrible. Just bought a capri tool it’s brilliant. Perfect flares every time
As demonstrated, it’s not the tool, it’s usually the technique. Glad you’re happy with your flaring tool choice.
Thanks for the video Brother! I have a 65 Comet Caliente w/ a 302. It’s been overheating & this was helpful
Walter, I am assuming that these heads are going on a 289 or 302 block. If yes, there are 2 minor things that need addressed. The water steam holes do not line up. I did a short magazine article in Car Craft on the mods needed around 1981 or 1982. If you look at 99% of the head gaskets they have 3 water steam holes in them...one in the center to work on 289-302 blocks and one on each side to work on 351W blocks (so it works on both sides of the engine). It is easy to modify for 289-302 blocks. Even if the heads are totally done and machined. Take the head gasket and line it up on the head and take a sharpie felt pen and mark the center hole on all 4 cylinders. Then center punch the marks and drill through the water passage using a 9/32" drill bit. You dont need a drill press, a hand drill will work fine. After drilling remove the little burr you just created with a countersink, deburring tool or sandpaper. The other modification is that all 351W use 1/2" head bolts and all 289-302 use 7/16" head bolts. Ford used to make a head bolt with a flange washer built on it for this application. Since bolts with built in a washer are probably hard to find, use a high quality (ARP) head bolt washer...do not use a hardware store washer.
I’ve always drilled the blocks rather than the heads, again using the head gasket as a template. Drill appropriately 3/8” deep, clean, then dip the drill bit in grease and finish the hole. Remove burrs and done. Ford no longer sells the stepped bolts but ARP does, and you can purchase inexpensive reducers that slip into the head bolt holes to use a stock bolt. TFS sells a much more robust alignment dowel for the block that I’d recommend also.
For anybody performing this process years after this post, you can use a flathead screwdriver to remove and attach the clips. Google it for proper procedure. I almost damaged the fiberglass box snapping them off and on.
Excellent video! Thank you for sharing your knowledge.
Remember heavy metals, like lead, are not compatible with our brains!