Engine Building Part 5: Camshafts
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- A general introduction into camshaft geometry and measurements. How to decide which camshaft may be best for your application. Installation and timing a camshaft.
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I did not believe I could learn so much about engines in a day.
This set of videos is just awesome.. Thanks.
If you learned that much today...imagine what you will learn tomorrow! Thank you!
Imagine now during quarantine when there’s nothing to do but rebuild an engine for a classic car.
Clearest explanation on this topic I have ever seen in 25 years of building. Nice
Thanks Chris
Peter, on this video you mentioned somebody poking at you for continuously reminding us of our material FM, my personal opinion I have been watching your videos and I thank you for all your knowledge and experience, you have taught me a lot in engine building I am a collision repair expert and mechanic, however I am NOT an expert in engine building, and you have taught me a lot and actually given me the confidence to build a motor, and I just wanted to say no matter who pokes at you keep up the good work because there are many people out here and I'm sure you know they appreciate it your end result speaks for itself and if your technique works don't fix it matter what anybody says and I thank you very much.
+John Giordano That is awesome John...thank you very much. I always say I've never had an engine fail because it's too clean. Newer engines are designed with clearances in microns and only allow for a couple molecules of oil through the bearings. One micro-fiber and you'll spin a bearing. I appreciate your comment...thank you my friend
Its whole another level of satisfaction from knowing difference between camshaft and crankshaft. Seeing cross section of camlobe in books and ultimately a master explaining it live. Its such a massive help especially to students of Motor Vehicle Mechanic like me.
Love from India.
Thank you my friend
Its been a few years since I tuned into Petes Garage.
I'm glad I'm back.
Petes knowledge is second to none when it comes to engines and mechanical things especially the automotive performance end of things.
It's through Pete's experience we can all gain some crucial knowledge/insight of the entire W-5 of engine engineering components and their function, their performance and building an engine to be a bulletproof solid hunk of iron and aluminum.
I'm a SBC V8 builder, gen one old school engine builder, naturally aspirated is my niche, and the 406 sbc is my baby.
About 5 years ago I built my first all roller engine and the learning curve was tough.
So much of what I knew would not work in a roller engine and had few people to ask.
It was during that time I started watching videos to get the information in my head that I was somewhat confused about.
You never stop learning something new every single day of your life, and the day you think you know it all is the day you should start over because you are only fooling yourself or feeding an ego.
There is not one thing you can do to an engine during the building process that won't affect the outcome.
Knowing those things is the key to success, and learning all those things is the hard part because everything changes as soon as you change one component to something different.
Camshaft, cylinder heads, bore, and stroke is the backbone of any motor.
If you want performance street or strip pay close attention to the specs you want to use to make it perform the way you want, and don't be afraid to ask questions. The only stupid question is the one you didn't ask.
Awesome comment! Thank you
@@PetesGarage Thank-You Pete.
There are many inaccurate videos on engine building and geometry on youtube.
You have taken the time to explain to the layperson real data, specs and consequences which I appreciate.
Engine building is not something anyone should take for granted and I know that through trial and error very well.
I've been watching some of the videos you have made, and only wish I had watched them 40 years ago when I was a teen thinking I knew it all. BUT there was no internet or even videos back in the day.
The oil pan painting video about sandblasting media is one I take to heart having made that very mistake with the outcome of torn up rod bearings in less than 200 miles when I was 18.
It was a punch in the head preparing for the Friday night drags at the Luskville Drag strip I'd been working toward all winter. luskvilledragway.com/lead%20news.htm
That mistake cost me the year back to square one on a shoestring budget.
It took some time to figure out what I did wrong, but when I did it was an insult to injury and never made that mistake again.
A tiny little thing like a few grains of blasting media can ruin an engine in record time with little evidence left behind.
Thanks, again Pete.
That's why I started making videos Steve. I remember those days with no internet and nobody would tell you anything, it was all a secret.
@@PetesGarage Ain't that the truth. It was the school of hard knocks and not the knocks you wanted to hear.
It is absolutely amazing what the aftermarket performance industry has turned into.
I ported my first set of Camel Hump heads at age 16. I had heard of it being done but never seen it. It was through that experience I was the go-to guy for Small Block Chevy Head Porting. I was so sick of it I never wanted to see another head again, BUT that was what was available back then.
Aside from aftermarket cams, pistons intakes exhaust and dual point, distributors, there were few other options back yard mechanics had available to him or her to have the fastest car in town.
There were always machine shops, but who could afford that. It was not cheap to get a block bored.
The trick was to find the right block, 327, 283, 350, 400 with good heads, the rest was up to you. 441 heads were okay, but the big valve fuelie heads were the best then.
WOW HAS THAT CHANGED SINCE THEN.?!?.
Keep making videos Pete, they are great sources of information and really well done.
Thanks so much Steve
Pete, just started the Engine Building Series. Thank you so much, I can't believe how detailed you are. So much knowledge.
Glad you like them!
Great videos My age is 77 and I have been building engines (mostly diesels)for almost 50 years . Learning a lot from these videos. Never to old to learn.
That is a great compliment....thank you my friend
Thank you very much. I am making them with the hope of helping as much as I can.
So I've been watching all of your engine building videos from 1 to this one so far and I just wanted to say these are awesome. I've learned a lot about car engines and I really appreciate that you took time out to make these videos and to go into as much detail as you do. Thank you for all the knowledge you've shared. I hardly knew anything about engines and I feel like now I have a good basis to know how to ask somewhat detailed questions and to learn even further. I've always been interested in learning about this subject but never really knew where to start. I'm still unsure about what exactly the camshaft does or what "rockers" are, but you've provided a great foundation for someone who knew close to nothing to start understanding how engines work. Amazing videos, and I plan to watch the rest soon!
This guy a real pro.
This video series is very comprehensive, and very concise. Pete repeats himself occasionally, but not too much. I've learned more from this series than ever! Of course, I'm a total greenhorn so it's not like I know much to start with.
I'm looking seriously at this info with the intent of tuning up a Suzuki Cappuccino with stock F6A 3-cylinder (factory ITB and turbo) to safely increase the HP from 64 to 100+, which is commonly done, so I know it can work reliably and safely.
Being walked through a big ol' V8 build makes me pretty confident that I could do a dinky little I3 Suzi.
Thanks a million Pete!
Thanks my friend, I'm sure you can do it
Just wanted to thank you for all the time you put into everyone of your videos.
I'm learning a lot from every single one of your vids. Thanks again!
Thanks for making this video! I'm a 42 y.o. ER Nurse by profession and not a mechanic by any means. I bought a 97 RS Camaro project car for my girlfriend's 20 yr old son. I wanted him to have an "Old School Ride". It appeared to be a lemon. At least at first. The engine would vibrate the entire car, I thought it was the mounts. After dissecting, repairing what I can, tightening her up each time. The vibration never resolved. After more research we found Cylinder#1 has 135lb compression while others have 167-180lbs. So after everything the motor needs a rebuild. "The motor needs to come out". Now I am finding out even more info- cams. OMG they make the 3800 series ll sound mean as hell. Thanks for explaining this stuff to me. I look forward to my first rebuild, and I want to see the look on my gf's son's face when he heards this car when it's done.
Frank Maggio That is really awesome....Thanks for sharing
Thanks, Pete. That was one of the best crash courses in Camshaft operation I've seen yet.
If anyone wanted to know how a cam works and why it's so important to get right this is the video to watch.
Camshaft options are a difficult choice when building a modified engine.
I build SBC V8's Currently building another 406. It's a street strip mainly strip build but has to get from, race track to race track under its own steam without having to change heads, etc. A camshaft can kill low-end torque when designed to run at a higher rpm, it can also rob you of vacuum, power brakes and other undesirable things you want on the street.
Bigger is not always better, in fact, it rarely is for something you want to drive somewhere from point a to point b.
Those can be hard lessons to learn, which I did without a mentor.
Pete's video is a great way to get a really good understanding of what's going on and why.
Thanks again Pete great video.
Awesome comment Steve! Thank you
Hey mate this series has a life time of of experience and knowledge and for you to put all the time and energy into making these videos is greatly appreciated. Cheers
+OZ MAN Thanks OZ the Great and Powerful. I'm glad to help
best channel. thanks a lot for sharing.
+uber mensch Danke sehr
true said
He really explains a lot of things that channels tend to gloss over. I go for full understanding because it helps me grasp the whole concept and details. He does it very well!
Thanks Pete, excellent video as always, foreign material usually causes serious problems for small engines, first lesson, first hour of small engine repair class.
+jonathan bosco I'm always amazed at how some people make fun of me because of that. I do that to stress the importance of being clean and deliberate. I never had an engine fail from being too clean
Thanks for the contact, one reason being like the easy way and the other reason jealous of you
jonathan bosco tell the haters to watch a video of a professional engine building room. You will think you are at a doctor's office.
Thanks for putting this excellent info piece together! I will need to watch several times though, to get all the facts inside my wee brain.
Glad to help Jan
Thanks to your videos, I feel confident enough to rebuild my engine in a couple of months! You're awesome 👍
You can do it!
Thanks for braking it down into better description as it was very helpful in understanding camshafts and lobes and lifts more better.
I have...but I work closely with the machine shop so fine tuning and machining can be done before I assemble. It saves money to plan if you can use stock parts. I would suspect most people guess and end up shorting themselves on the full potential of a cam.
Great information. I believe I need to watch this numerous times. Interesting to hear how one thing affects another. My dad would tell me things as a kid (watching rebuild engines in our garage as a necessity to fix our family cars) and I would recognize "my dad said that too!" He would say everything is a compromise!
It take a few time to understand. You were lucky you got to watch your dad...that's the best way to learn.
Important stuff from vid. When looking at duration ALWAYS compare the .050 duration.Closer lobe separation narrows the "power band" of the engine but gives more peak torque.
Nothing sounds sweeter than a V8 with a tight (less lobe separation) at idle. Its that muscle car "loping sound" you hear because of the valve overlap.
+Chris Charles Awesome point. It is so difficult to mention everything. I love that loping sound!
Damn Pete, I knew I should have went to school. I like the way you explain everything. I can't even think of a question you wouldn't know.
Keep em' coming!
Thanks!
That's awesome! Thank you my friend
Just want to say thank you for all your videos. I plan on building a motor and glad I chose your videos first before I start my first project! Thanks Peter
You are very welcome Graydon. I'm glad they help.
I miss studying in the university. Thanks, Pete, these videos make me happy.
I agree, I miss it myself
I watched ever video of this build and what really made this different from any other build video is the great detail you went into about how to keep everything clean such as when you did the Crankshaft you mentioned FM and how to make sure everything is clean and how to properly put everything in
I wanted to make sure it was as detailed as possible to help anyone at any level learn something. Thank you for watching my friend!
Again you have provided a wealth of good info. There's a lot more to engine building than I thought, but for me, a hobbyist, it's great! My son and I are working on a Pontiac 350 and a Ford 302. I hope my son will latch on to the planning aspect of engine projects. Again I appreciate the fact that you have taken the time to provide such great detail and making it publicly available.
That is awesome! Enjoy the time with your son. Teach him the right way and he will...both of you...will enjoy it for a lifetime.
Just wanted to say thanks for doing these great videos. I've done a lot of research and reading about engines, but nothing compares to someone with experience taking the time out of their busy lives to share their knowledge!
Thank you Nathan...I'm just trying to help as much as possible
Just want to let you know how great you are. I don't even work on cars, but I enjoy your videos immensely.
+John Eitel Thanks my friend
Thanks for all of this Pete. I am going to have to watch this video a couple of times.
Glad you enjoyed it
Before installing the timing chain, fit both gears and put a straight edge across both gears to see if they line up. I have found a couple of engines where the block casting was incorrect and the gears where out of alignment, (289,302 Windsor blocks). From what I can figure out, the original ford timing chain installed by Ford was more tolerant to this misalignment than the aftermarket double row timing chains. What happens is the camshaft gear develops a "wobble" and thus breaks off the alignment dowel pin in the end of the camshaft, when it does the crankshaft keeps spinning but the camshaft stays still, not good, for the pistons hit the open valves.
Great videos, thanks, Peter :)
All these videos have one or two things I never knew or thought about asking, thanks for preparing me for the blind siding info I wasn't prepared to come across on the rebuilding of an engine. (In my case an LS3 and an old Straight 6 235).
That's awesome...good luck with your engine
"I don't need math to be a mechanic." Said no successful mechanic ever... apparently lol.
+Twiztidguy Or at least a friend with a calculator...lol
Twiztidguy fuck you
Or aka part charger
I really appreciate Pete digging into the math [in so many vids]: doing that can save you big bucks and alot of frustration by not purchasing problems that could have been solved on paper first. As always... figure out what rpm range you want to operate in, then dig in.
i bought a TShirt just to show support and keep all your vids coming. These videos are priceless its a small commitment for the tons of valuable information received.
thanks again Pete
Thank you very much....I don't sell many t-shirts
Wow pete the knowledge you have is incredible, the information that I'm retaining from your videos brings me closer to truly understanding what I'm looking for when setting up my build. Thank you God bless
Thank you Daniel
Awesome info!!! Great refresher for a guy that learned Automotive Technology at University of Hawaii 40 years ago... Volumetric Efficiency was the key point and there wasn't a sensor around.. 🤣🤣
Thanks Chuck
Dude. That was awesome. I’m still a way much beginner. I’m just now in the planning stage of my first motor. That was undeniably helpful!
Awesome Matthew! Never give up!
Had to tell you that i appreciate your videos. I'm a small engine guy...lawnmowers and the small stuff. This will be my first big engine with the help of my mechanic. I will try and find your first video on when your block comes back from the shop and prepping for rebuild. Types of oil or grease to help aid in the first fire up.
Good luck Paul and have fun!
The cam has 4 deg ground in it so at TDC the valve events will happen sooner in the crank cycle. By moving the crank sprocket ahead 2 notches it adds another 4 deg, so at TDC for cylinder 1 the cam is 8 deg ahead of where it would normally be.
Thanks a lot for sharing this training info. I'm in school and we are learning about cylinder heads and this is a great illustration here...
Excellent! Study and do not waste any opportunity to learn!
I never comment on videos. But I gotta say your a great teacher. love the details very few take the time to actually explain and show exactly what takes place. i really learn a lot keep up the good work.
David Mccown Thank you very much my friend
Hi Pete, your videos are just great!! I´m from Germany and there aren´t many opportunities to learn something about engines, especially US V8s. I am very thankful for your videos, now i will make my first tries at a chrysler la smallblock. Btw., You are a very good teacher, at the end there is no question left. You´re doing a very good job, please go on...
+Dennis Gerstung Vielen Dank mein Freund. I have more videos on the way. Good luck with your Chrysler
explained and helped me understand a lot about camshafts
can't say how much i appreciate the work put into these videos! i've known the basics of how an engine works for a while but i think i am finally beginning to understand it, thank you!
Thank you very much!
Great video as are all your others! Didn't have a clue how to choose a cam for my build but after watching your vid I have more knowledge now. Thank you sooo much for your time.
Thomas Grawunder That's awesome. Thank you for watching
Thanks, great vid. I have built several engines and this video made me realize how lucky I was for knowing so little and still having them run!
Great work Pete.. U r one of the great experts in the world to do such a nice job In this field..
+ramasamy venkatraman Thank you my friend. I'm not sure about in the world...lol. I'm just trying to help where I can
These videos series are amazing. Thank you so much for doing these
Thank you for watching
You explain so well - so far the best channel I have come across. You should be in the teaching profession ....
+salimev Thank you so much. I should, but I don't see a career change this late....lol
Just stumbled onto your videos. I'm extremely impressed with your explanations and teachings. Thanks for doing this series for us all!
Thanks Dan, we're all here to learn and help each other.
Thank you very much. Some people can do it and some can teach it. You sir are good at both🙌🏻
Wow, that's really awesome! Thank you very much.
***** Salute to you Peter from Britain, even though i'm only thirteen and had passion for cars since I was a small child, thank you for your demo on engine building, as I really want to build my own car with my own engine when I reach the appropriate age, I've learnt a lot from your demo since it helps my dad and I, study the defects in mechanical parts and also learning with extra detail from you is helping me to reach my success. Cheers to you!!
Awesome! Keep learning
Thank You Pete that did help me understand cams a lot more than I did.
It's all about helping each other Geoffery....thank you!
I am going to rebuild my 454, everything is all factor right now. Thank you for the video.
Thor Hamm Great engine....built hundreds of them
Hey, I have all factory setup with miles at 160,000. So my question, I would like to rebuild with same setup, but would like to upgrade to next cam up from factory, and would like to see if you can give specs. on type of cams. I do a lot of hauling wood, hay, 4-wheeling, hauling a horse trailer and other stuff used for truck. It would help me greatly.
+Thor Hamm If you call any Cam manufacturers tech line the can help you select exactly what you need
Every one of your videos i dig in the series i become more and more interested. Great stuff Sir....Great stuff indeed....
Thank you my friend!
These are the best engine build videos I have seen!
Great information. Also great job to keep aleast 1 TH-cam channel clean and positive.
Thanks my friend. Nasty, insulting, and profane laced comments do nothing to help us all learn.
Absolutely AWESOME video! It felt like going to class and really gaining something out of it. Thanks!
Glad you enjoyed it!
Man im so appreciative of these videos I'm a technician in the making and these help me practice and understand.
That's what we are all here for ...to learn.
The chain stays in the same spot on the cam but turns to advance the chain on the crank sprocket. In the video I advanced the crank sprocket and turned the cam under the cam sprocket.
It was very informative to see how the camshaft is made
Pete! Thank you for making these videos. It was totally optional and I appreciate it a lot especially for a 10 part series. Good job.
Thanks Cody
Getting exciting, with the crank,pistons, and cam in place. We're that much closer to seeing the Shelby running
Love your videos, I've got a notebook full of your information, I'm trying to get my start in auto-mechanics and this is great, currently trying to tune up and restore my 1977 Ford F100 Custom that sat for 20 years! Thanks for making these :)
That's awesome Craig...I hope it helps your project!
Thank you very much for making these engine building videos.They are truly helpful.
I'm glad they help...finishing up the cylinder head video now
Your explanations are excellent, sir, I learned a lot of important things from you
Glad to hear that
Awesome easier understanding of cam choice..
Thanks
very very informative video. ive installed a 5.3 engine in my wrangler jeep. was wanting a cam to get some low end torque and get a nice sounding choppy idle. thanks for sharing
Thank you my friend
Mr. Pes Hotrods I like your facts in engine building.
Thank you my friend
You need to be a teacher. These videos are very informative. Best I've seen.
If i could find a place to teach I would
***** where do you live? I know a community college in Rancho Cucamunga, auto teacher retired, that was a lot of knowledged that walked out the door.
Is that a real town? I know it's nowhere near Buffalo, NY....lol
ha! yea its nowhere near you. its in California.
I'll move
I'm glad it was understandable...I was a bit confusing in spots...thanks!
Dude.. You rock. Thanks for taking all this time to teach us.
+Ri Scholt You're welcome...thank you for watching
There are two different types of variable valve timing. The one I described and one with a 2 stage cam. The 2 stage cam has 2 sets of lobes and a spring loaded RFF (rocker) that changes timing and valve opening, more like the VTEC you are referring to. It is being used with variable displacement systems to increase fuel economy.
Crower was the only company to respond to my camshaft recommendation request. They even called with their recommendation so they got my business
Awesome! Great customer service pays
Nice video. Did not understand all of it. Need time to digest it. Thank you Petes.
Nice job pete, the long bolt is a nice trick, and thanks viewer for sharing. I have always cringed putting them in. I'll be installing mine here shortly and well use it. It hit me watching you, still cringing on the last couple journals, maybe it would be easier to install it before putting it on the stand. stand the block up on its end. use the bolt a d let gravity do the work, no lumps. then put it on the stand. just a thought.
I can't argue the logic David. I've never had a problem, but that does not mean it's the best way
If I could like this video 50 times I would great explanation
Thank you
video explains the various types of valve train operations and how the cam control s the system
(On the cam card) 302 HO for High Output, not HD for Heavy Duty. The HOs had the same firing order as the 351W and therefore the roller cams for these will work in either. Great video!
Thanks for that Miles
Absolutely! Anything to help spread knowledge to people willing to learn.
Miles Johnson
Your a great guy! Thank you for putting up all of this information.. It's great quality and sure it helps me to learn about cars and helps others.. You are helping the world to be a better place..:)
I'm all about helping people learn. Thanks my friend
Pete, You The Man!!!
Just trying to be helpful. I'm a pretty humble guy.
You help more than you know buddy, thank you!!
I have wached your engine build series and thank you very much for making these videos they are extremly helpfull and you are extremly talented.
Just wanted to say thank you for all the work you've put into all your videos. Thanks from DownUnder
+simon miles Many thanks for watching my friend
No the Chevy with Pete Jackson gear drives they have an offset button that fits into the big gear. The locating pin on the cam fits into this button and the offset will determine the degrees as to advanced or retared. They come with different buttons straight up and different off set. Belt drive set ups are done differently.
Great comment, thank you for sharing with us
When you spoke about valve float, i just remembered that the float effect has various degrees of complications to an engine, such as burnt valves, spinning valves, valves not closing completely, RPM limiting (due to the valve not closing fast enough), etc. Will you do a video on Valve float, what are the effects of valve float, how to determine correct spring pressure and how to correct valve float?
That's a great idea, I have another build series coming up and I will cover that
Another stellar video man, and I know this is old, buts it's new to me. Also on FM, couldn't agree more. But it really scares me. I think about my 1st complete overhaul 3 years ago, a 4 cylinder in a pickup I still drive. And I've been thinking on how unclean, and uncareful I was. It amazing that engine is still running, and well I might add. I'm sure it was just luck.
I tried to make videos that are timeless. They apply forever because they are about the basic technical applications. Thanks again Shaun
10/10 excellent, i've always wanted to build a v8, just once. Thanks 2 u, i'm gonna have a go. U have an excellent presentation style.
Thank you so much my friend. Good luck to you and let me know if you need any help
Pete I thank you for you knowledge, as I am planning my first engine build for my c-10. Keep up the great work and CHEVY ALL THE WAY
+adolfo hernandez Awesome...good luck with your project
love the series by the way i was am instant fan ice been building cars and engines for most of my life but i always love to learn more of the science that is an engine
Thank you Derrick
Love the videos and all of the information you take the time to explain. I've rebuilt 3 engines so far but there are a lot of details I was not aware of. Thanks for taking the time to make these.
Thank you for watching!
G'Day from 2021. Love the videos & learning a lot for my upcoming 1st build Thank You
Thanks Dave
Excellent work, good communication skills.
Thank you very much!
I will check it out.....Thanks for your comment/
saw your dog at 1:26 :D LOL (in the wheel on the left)
Shelby in the Shelby...lol
+ormdok Wow, you got good eyes bro.
Any chance to buy one of your engines?
Great vid, I share your vids with friends of mine, because you explain it easier. I've tried explaining stuff to them and one small subject takes about as long as your whole vid. And I over load them with too much.
Thank you, we are all here to learn
Thank you. I feel like I have a better understanding of the cam.👍
Happy to help!
A good refreshed of explanation
Darn good series of videos, great explinations for my brain
Glad you like them!
ThAt Was HoNEStLy COnFuSinG - but great video I’ll have to watch it again and take some notes - thanks again !
I know some of it's tough, but I try to make it easy enough for everyone to understand.
Knowledgeable and detailed presentation I needed the info thanks.
Thanks Lee