392 FORD STROKER HEAD TEST
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- เผยแพร่เมื่อ 29 ส.ค. 2020
- GT-40X VS Z304-FORD RACING 392 STROKER. FULL RESULTS, HOW MUCH POWER IS THE HEAD SWAP WORTH? WHAT HAPPENED WHEN WE REPLACED THE GT-40X HEADS ON OUR 392 FORD RACING CRATE STROKER MOTOR WITH A SET OF THE (THEN NEW) Z304 HEADS. HOW MUCH EXTRA POWER IS AN ADDITIONAL 35-40 CFM WORTH? BONUS NITROUS TEST!!
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Whoever disliked this video, grab your serpentine belt when the engine is running.
Hahahaha 😂😂😂
Just thinking about this makes my hand hurts. Feel the burn!!!
Looks like it was mistake because is at 0 dislikes now.
the serpertine belt trick worked!
@@richardholdener1727
I think you should build and brand engines with your cams !
Had an Uncle who did that on one of my Dad's cars. Can't remember the story exactly something about a belt being too loose or something. Dad said it was fine and my Uncle grabbed it to prove otherwise. Think he lost the tip of his pinky to that lapse in judgment. Same guy years later backed over himself with his own truck. Jumped out of the truck thinking he had put it in park but had put it in reverse. Then he was too damn stubborn to go the hospital for it and just laid on the couch for like two months.
Well, not surprising. 3.85 stroke is a smallish big block stroke territory. If the engine thinks it's a big block, then feed it like a big block and it will act like a big block with no hypnotist required. Genius! Haha. Fun stuff. If you keep going bigger, up to a point, it will keep making more power. Thanks for what you do Richard. Lots of fun!
Like to see another comparison between the Z304 vs 11R twisted wedge vs AFR renegade 205 and maybe throw in a set of high ports!!!!
You are speaking my language. I big intake comparison too.
The 225 trick flow make ok power on the 351, t010... I think is the 58 cc. Be nice to know what they did out of the box on the strokers on this system....pretty sure they have video on it.
And the 351 Cleveland 4V heads would be interesting to see close the 50+ year old design is to today's top designs.
I second this !!!
Joe Dirt : Mr Dirt, even the gas flowed 2v 351C heads exceed the GT40X's, and the 4v closed chamber 351C heads with a good tickel up exceed.the Z304's. Nothing new since the Henry Ford II cure for the Tunnel Port, the canted valve Cleveland 351. The SCCA approved 1967 GT40 head for Shelby 289s flowed 290 cfm at 600 thou lift. The 1968 Tunnel Port, 350 cfm at just 450 thou intake lift and 380 cfm at just 550 thou lift. See www.hotrod.com/articles/hrdp-1305-the-story-behind-fords-iii-fated-1968-tunnel-port-302/
The one dislike is probably a younger LS or nothing viewer...
This was a great test. Great video to watch for me at this time because at 392 is exactly what I'm building for my 81 bronco. Excellent thank you Richard
Nice upgrade. Great test thanks for the video.
Great Information Rich especially for the Ford guys... Gm gang over here baby 💪🏾💪🏾💪🏾
Thank you Richard!
Richard.. PLEASE.. o love your comparison videos. You're very informative and very unbiased. Would you please do a motor to motor comparison about Big Blocks. I started watching a guy who wanted to do the same thing but then one Motorhead aluminum heads one head of mechanical cam one had a roller cam. At that point I was out LOL would be great to see the short blocks with similar cylinder heads and camshaft
Wish they had those heads years ago when I had a 351W. liked the test keep them coming.
0:40 Best Restore Hair
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Still waiting for the buick.best channel,great music
Thanks a bunch Richard for all the work you do with testing. Am working on a 351w build for my sons ford ranger project truck, and was thinking about going with a 393w stroker combo. Nice motor!
I recommend do it i do it in my 3 fords it work great i use afr 185 and 205 also use the same cam 282xe good combo
@@humbertoarellano2725 umm yeah. We don't use comp. We custom spec our own cams either from Howard's or clay smith. Great success..
Great test
Love your stuff as always Richard. It would be really cool to see a comparison between Windsor and Cleveland heads though, stock vs stock and aftermarket vs aftermarket.
I would enjoy that comparison too. I'd like to build a 427 Clevor for my 1964 Fairlane.
your words are gold...
Looking forward to the upcoming 4 part video!
I'm working on it
I love the 393. I want to build one of them too.
Back in 1996 I put a 385hp 351w un my 87gt. Took it around the block and realized it was too slow. Pulled it out that night. Ended up putting in some TRW forged pistons (11:1) a crower solid lifter cam and porting the J302 heads. The summer of 1997 we won the unlimited class (because I had a TH400 trans) with a 150hp nitrous kit at Fun Ford Weekend! Factory cast crank and ARP ROD bolts. Drove it home from the track!!! Go Ford Motorsport (Racing)
Go ford with a 400!turbo....wheres the ford junk
When I hear that music kick in and I see some Ford stuff I'm ready to move and groove
Richard I'm dying for an update on the BBB
more coming
That was a good setup. That would be boat loads of fun in a Factory 5 kit car. 20 foot pound gain on the mid range, 50 foot pounds at the top. Meaty from 4000 to 5800. Perfect for pretty much any transmission on the market.
When you ran without and with nitrous, I could tell the heads were holding back potential torque. Keep on keeping on Richard and be safe
Wouldn't a nitrous motor need an increase in exhaust valving to get rid of the increased output of exhaust gases with very little additional intake volume?
I’d love to see you do a performance cleveland, I saw the cam swap you did on one, and that was awesome
0:39 Do you want thick hair?
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Richard, My 395 has the same comp cam. World Product SR 200 head. I hope you will have already tested that head. Very Interesting
Luv it Richard!!! I’d luv to see u test a set of Kaase P38 heads
SR71
0:30 Do you want thick hair?
th-cam.com/video/_OjJOPPUKEQ/w-d-xo.html
it would of been nice to see a final test with the vic jr and maybe better valve springs, then a step up in cam then a super vic, other heads would of been nice as well but I know this was just to show off the new Z head.
I hope you do a 302 with the p38 heads with a simple cam. I bet it’ll make gooooood power
I'm liking it !
I would have liked to have seen the super victor intake used. The dual plane was a slight restriction.
Would like to see massaged 4V/Cleveland/Closed chambers/ 70's iron run on this in Clevor/config.
Those old Ford racing crate engines were the best. But man you paid for it!
Put a 351/393 engine together, 4.0 bore x 3.85 stroke, forged crank, h beam 5.96 rods, forged piston with 351n heads and had a 570 intake, 590 lift flat tappet cam , single plane intake that produce 470 for torque and 470 for power.
Great video! I remember a test on the Z304 heads back from MM&FF days and the AFR and Trick Flow High Ports did much better? Seems the Ford Z heads were very expensive and came bare,without valves and springs?
I still have that magazine somewhere. I think it's from 2007 or 2008.
Should have ran the Victor JR intake manifold on that 393!!
A big bang video on the 4200 Atlas (vortec) engine would be awesome I've seen a bunch of swaps recently and they seem to have a lot of potential. (These are the engines from the 1st gen trailblazer)
0:37 Best Restore Hair
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needs a 850 wouldlike to see r-11 vs afr vs high port
Like this combination
Hey Rich, awesome video! I am running these heads on my 331 right now. Mine require the shaft rockers unfortunately. First gen castings (old canfields). What exhaust adapter did you use for these heads?
I thin kit was dart-tfs adapter
The Z head looks great for the big cube Windsor
Cool to see what 30cfm can do on an engine that can take advantage of it
I would have loved to see the AFR 220/225 heads on this Engine
Richard when you changed the bore over too the 4.040 bore and changed pistons did you gap the rings for n.o.s. Or just put them in like it original came?
Please do an evac header system vs a vacuum pump, vs stock system
Dude! I never thought I'd ever see someone on TH-cam mention an evac header! Honestly, I wonder if it's a good idea to have a big ass dry sump and run the tank vent into the headers.
@@Dr_Xyzt I just want to know what I'm getting from having it. It was a cheap modification compared to a pump. Hopefully the performance is comparable
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It would be cool if you cold get your hands on some Jon Kasse sbf heads!!
I did test those
I think some Cleveland combos, heads (after market and factory 2v),camshafts,manifolds, stroked,boost,nitrous,etc. Maybe even slap some of those things on a 400M would be really kule. Big bang with a Titus block!? As always love the vids.
Try to test a old set of J302 heads on a stroker sbf
Awesome
I wish someone would loan you a set of hemi heads from Hammerhead to put on that 392.
A cute baby Boss 429.......lol
They ran a 427 with it made just over 800 his those are some great heads
@@stephenfazekas1568 The look of those valve covers have got to be worth at least 100 horses...........LOL
Damn they look good
Richard I would love to see a stroker Cleveland build
i did a 383 Clev
Hey Richard love your videos, I'm looking to do a 393(387 since it's a stock bore 351w amd stock trw forged 302 pistons) and I have a set of the GT40X heads laying in my shop, what would you recommend for a good cam for this set up?
274 or 236
@Richard Holdener Have you ever tested a set of J302 SBF heads? And can you do a comparison between GT40P heads, J302 heads and the GT40X heads on a 302 vs. 331 vs. 347? I have a set of J302 heads WITH J302 headers you can use!
I tested 30 sets of SBF heads-those videos coming
I’d like to see what AFR 205 and 225 heads do.
I'm looking forward to seeing the 500 caddy 😎🐿
Me too
Hell yeah...
"Cadillac", squirrel brain...
Michael Angelo caddy 👈🏻 🐿
@@unclesquirrel6951 Like they say; you can't disguise ignorance.
Can you please do a trick flow 11r head test please , 170cc , 190cc , 205cc
Huge slow down between heads, Richard.
P/N: M-6049-X303 for the The GT 40X Heads. Combustion chamber volume 64 CC. P/N: Crate Engine: M-6007-D351RT
Right on
I have a Ford fe 416 c.i.(4.08x3.98) with iron 406 heads(2.09x1.66 valves) that made 580hp at 6700 and 540tq at 5100 on Somer's dyno. You can't do enough to a Windsor to get it to keep up with a similar built fe.
Dollar for dollar the Windsor can
Now run this test with a ported z304 head with a 2.08” valve
I have everything needed (minus pistons since I wanted to see what it would take to clean up the bore) to build a 383 Windsor. I was going to boost it but decided junkyard 5.3's made more sense. It's all been sitting there for years. This makes me want to pull those parts out and have the block machined. Not sure what I'd drop it into.
find anything yet?
@@albertgaspar627 Nope. Ended up building a car to go endurance racing with friends. I’ve got too many projects in various states of completion to worry about the Ford right now.
Would have been very interesting to see what that motor would do with a good set of heads, like AFR
I agree, would have liked to seen that power gains from AFR!
AFR 205's and Twisted Wedge 11R 205's vs high ports.
I ran AFRs on it later
@@richardholdener1727 I certainly can't wait to see those videos. I do remember reading about a bunch of head testing you did a long time ago in MM&FFs or maybe it was 5.0 Mustangs magazine. Those pages eventually wore out I read them so many times.
393stroker I’ve seen a408 Windsor with CHI heads making ridiculous is power.
R.H..............can you give us brake specific fuel consumption numbers ?????????
I'd like to see you dig it out and run a set of p38 heads!!
Yes, definitely! I would love to see that Clevor but would also like to see the Trickflow Twisted Wedge 11R 205's and a big intake comparison too.
Me too. Did Kaase stop making them and why?
Kaase P38, the greatest unknown Ford head. Too bad they never caught on.
@@tedgay8427 When I first saw them come out I wanted to buy a set but they were out of my price range. I figured they would be around for a while though so I wasn't worried, guess I should have been.
CHI is selling the kaase sbf heads.
Ever had a chance to try a CHI 3v head Clevor? Their 225cc head does 317@600, 327@650, 331@700. I'm thinking they might make good power.
they work well-I've run them
I love 393 Ford's. Don't know why they call it a 392 though. When you do the math it works out to 393. Anyway the fact that you can build this so cheap is awesome. Just buy the stroker crank, use your stock rods, and find some .030 over 302 pistons, get it balanced and bang! Stroker 351. No machine work necessary.
there's a youtube channel "neomustangs" doing it, but without the overbore since EFI blocks typically don't need it but more importantly...stock 302HO forged pistons go right into a 351W block to cut costs on a 387 stroker.
I think ive got the mm&ff magazine were y'all ran that motor lol
Ah, but didn't you find more power with AFR185's and an 850 Demon about this same timeframe? ;) I'm looking forward to the ultimate guide videos, thanks for that. AFR took down all the articles from way back.
Humhhh I’m all ears because for some reason I trust Richard’s work
Can you do test on degreeing aftermarket ls cams +or- the factory cam gear mark?
I did a video on adjusting the LS9 cam
now you need a pinto and that would be sweet ride.oh nice heads take note nice heads a good start.
I would like to see the results of the AFR 185 heads on the 392 with the XE282HR cam. Both can be found used. The AFR 185 heads are a bit cheaper new than the 195 or 205.
As a side note I have regular unported GT40 iron heads on my 351w with an E303 and a Pro Comp (Stealth knock-off) dual plane and shorty headers. It has more bottom end than an 5.0L, but it does not mph at the track. Only 103 mph. I think the heads are too small flow wise for a 351w. In comparison my 302 with ported GT40 iron heads, XE266HR cam, stealth dual plane and Summit long tubes ran 108 mph.
we ran AFRs on this
The E303 cam is too small for a 351 windsor if you want any decent top end.
Baby lift on that cam. Higher lift and a single plane would yield greater results. Especially because it got nitrous
I’ve seen plenty of build articles on the 7 liter Windsor but none dyno’d with modern fuel injection. It should make 600+ hp with a streetable hydraulic roller. Have you tested this combo in the past?
I ran this motor with EFI and have run 427s ( 7 liters) with EFI as well
Time to get a 3.5 ecoboost for a big bang
Those heads made a big difference.
Those Z heads can make some great power. I ran a set on a 363 I built a while back from a 9.5 deck block out of a wrecked truck. I think it was around 11.3:1 comp calculated with that head. Big cam. Made 425-430 HP at the wheel on a chassis dyno. Similar torque. Engine is still racing to this day in a Fox but this is a Fairmont variety.
I did a 393 years ago, with ported Vic Jr heads, the "5-oh HO" style Victor EFI intake, and a ~250º cam. Did 500whp @ 6300 and over 500lbft from 3500-6000. Nice combo, especially in the early 2000s!
GroovesAndLands I would have loved that power lol. Was your compression up there? And you were injected then MaF/MaP I guess? Mine had an Edelbrock intake and Edelbrock 750 carb on top of the Z heads. It was a very conservative tune though. I’ve since built 8.2 deck stuff that’s made more power than that engine NA. As a matter of fact I have made more power from an NA 310cid SBF lol. Revved a lot higher though and less torque but I built that for a customers Miata swap so it was never noticed as a flaw lol.
And my 363 cam was a Lunati mild truck type of profile 280/290 and .472/.496 at first but then switched to an Edelbrock with 299/302 and .573/.582. It had some cam.
@@kennethpowers8995 Mine was injected with a ~100mm MAF and a huge (at the time!) 90mm throttle body. 1.75" headers, a 3" MAC pro-chamber mid pipe, the old flowmaster 2 chambers (before the delta flow ones), with dumps in front of the rear axle. Remains, to this day, the sweetest sounding small block anything I've ever heard. I recall compression being about 11:1, and I know I certainly had absolute minimum piston-to-cylinder head clearance - because "engines always run best when the pistons hit the head a little" IIRC, I was even able to get it to run smoothly at part throttle at about 17 or 18:1 air/fuel - so it even got really good gas mileage on the highway. It was a kickass combo for the time!
GroovesAndLands Yea we were making some really good combos back before it was second nature to see a 9 second stock LS Foxbody or the like. I also have a memorable soundtrack from the 363 build, I didn’t have any crossover though it was some ARH longtubes and then 3” back to some glass packs. It was ridiculously loud but it had a signature old muscle car type sound. It didn’t sound like a Mustang it sounded just like America lol.
Curious to see 363 stroker testing. I looked through your video and couldn't find anything.
several there
Have you hear of uncle tony's garage he talks about flipping the pistons. Can you recrate his 318 in project bottle rocket? Or work with him on some of his ways to build a motor. I would like to see if the things are true of myth.
I've spoken to Tony-he does good stuff over there
That Z head is definitely better than the X head... But for the money, there are way better heads. That 392 was still being held back by the Z head. An AFR 205 or better yet, 225 would have really woke it up. Or a set of Vic Jr, or.....
Hit the like b4 i even watched it . 😀
i am looking for info on 4.125 bore winsor /dart block build up including de stroking
look at the 363 videos
I would love to see a test with John Kaase P-38 heads to see what those heads can really do.
they work well
@@richardholdener1727 i can imagine they do i just dont see too many videos on them.would love to see you do a dyno session with them...
Curious how those heads would work on a 347 or 351. Or would that not be displacement for what those heads are capable of?
Probably perfect for a high rpm ringer.
Why didn't you go the last step and put 4he single plane manifold back on?!
Great simple to duplicate.
You got to round up because palindromes rock. 393 sounds so much better than 392. I want to build a twin turbo 393 and put it in our 1994 Crown Vic. Make one hell of a sleeper.
The flow rate on the Z head is surprising considering the valve package of 2.02 and 1.60.
they will accept a 2.055 as well
Please retest this with a turbo/ turbos.
I want a let’s make some noise shirt!!
Ya thought the Z head was a good upgrade for the motor.
One question, is the x head the original GT40 heads that came out in 93 on the Cobra, Noticed the P's equiped for or most from explorer motors.
Was there another basic GT40 that was out before X or was that the original GT40.
My 5.0 ranger came from a totalled blue ice colored explorer, it's a straight gt40 head set.
The GT-40X is an aluminum heads and not like the iron GT-40 head that came on the Cobra or Explorer (or the GT-40P)
Ok got it. There the aluminum heads.
I love these videos.
But what about us Truck guys? not parking lot poser trucks but us that use our trucks for work, towing and off roading.
there is no one out there helping us make low end grunt, Not everyone out there is driving their cars/ trucks at 8,000rpm around town.
I wanna build another junkyard dog! Was gonna build a straight up Windsor, but it's naming on me to know for $600-$700 more I could build a 392! Crank and cheap set of pistons! The old 94F150 flareside is close to 4000lbs! And all the extra displacement comes from stroke! No how long will my tci c4 hold up! No gas, all motor, but it's rated for 450hp! Hell, I'll get stupid and put my 100shot on it!
That block is 302ford , what is the bore in the pistons , who make that stroker ?
the block was a 351W
👐
Do you have test videos on the Iforce v8s ?
I don't
Anyone ever put one of these crate engines in simething and run it at the track?
Would you still use this cam if building this engine?
FOR THIS POWER LEVEL-BUT OTHERS WORK TOO
A Holley 750 isn't big enough for these motors now? Must be that new math...LOL
40 over makes it a 395 I believe
Richard have you ever put nitrous oxide on something and have been disappointed? I see a lot of tests where a 100 shot is added and you got 100. It seems like a pointless test unless it is on a boosted engine where it gains more than 100.
when the tune is off-it doesn't do well
The question i have Richard, would it have been cheaper to go short block with those better heads? I'm sure ford stroked crate motor ain't cheap, even with shitty heads. What, another grand or two if not five to ten if you don't want shitty heads on your stroked motor from the factory.
cheaper to build it
I have an old set of X302 aluminum heads. Are these the same as aluminum GT40x?
I think so
How much? Lol I want a 350hp ranger 5.0 5sp
Richard Holdener thanks for taking the time to answer. I am thinking a good cam, these heads and a turbo will wake up the 351w I have swapped in my 63 Falcon.