400HP BUDGET BUILD FORD 302, YOU WONT BELIEVE WHAT I FOUND INSIDE THIS 302!
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- čas přidán 3. 02. 2024
- Breaking down the 302 out of my 1969 Mustang to get it ready to begin my 400HP budget build , I find some good news but also a very interesting car part lodged inside the engine for years!!
- Auta a dopravní prostředky
Ford Explorers are the development platform for Mustang parts. GT40P heads are a good junkyard head upgrade, capable of 400HP. Chambers are a bit larger than those original heads, but you won't care about the slight loss of compression because they'll still make more power everywhere, apples to apples. Choose pistons wisely to get the compression you want while still allowing good valve clearance with the (rather big) cam you're going to need to hit 400HP. You mentioned KB pistons in other comments, below, which I am familiar with, but I suspect there are other (possibly better) choices out there for a combo like this. I don't build a lot of Ford small blocks. Hypers are fine for N/A combos (even the KBs with the top ring WAY up near the piston face), but if you're gonna tickle it with a little sauce, forget about them and go with (more expensive) forged slugs.
Gaskets are supposed to block the front ports if you put them on backwards it won’t cool the back half of the block!!
Finally an answer to this thought. To me they looked like they were the wrong gaskets.
Looks like it's going to be a nice engine. I would skip the junk yard GT40P heads and go with some AFR 165s or something similar. By the time you have rebuilt the GT40P heads with a valve job, springs, and surfacing a new pair of aluminum heads are not much more money and will perform much better. Remember if you go with 2.02 / 1.60 valve heads to get pistons that have bigger cut relives so that the valves will clear the pistons.
We will see, more than likely if I can score something local I’d go aluminum
For a high mile motor it looks pretty solid. Fun vid!
Could have been worse lol
And thank you! 🙏
Oh man, c8... 68 block. D..70's, e..80's.... Good ol ford
GT40P chambers are 60cc, those early 289/302 heads are 54cc or 53cc, GT40Ps flow better but reduce compression and have a different spark plug location that won't work with a lot of headers. The GT40 non P (3 bar vs. 4bar) heads have bigger valves and with minimal home porting will flow very well and they don't have spark plug problems. The 2v and 4v 289s used the same heads (except K-code) Ford raised the compression with different pistons 9.3 vs 10.0. This is a cool project, subbed and stoked.
Thank you, still piecing a puzzle together before I make the stab of buying parts up. Someone stated to deck the block, considering some options to bring up the conpression
Wow, good to know.. I’ve got a set of 289 heads on my bench, 160/190 valves, ported, polished, screw in studs,PR guides..
Picked them up YEARS ago from a guy that did head work for a local race team.
Love that Dart out front! That's what I'm Looking for. Also have a 2000 Grand marquis I'm looking to Swap a 302/351w into.
Cool Video!
Thank you 🙏 and that would be a cool sleeper build
@abodyal72 Yea, I had a 70 340 Duster w/ 727 8.75 w/ 3.23 posi and a 72 340 Demon with the same setup. Got rid of Both of them when I got a New Dodge Daytona Shelby Z w/ 5 speed. And then found a Dodge Omni GLHS Turbo. Had Both Turbo Card for Many years but they became Money Pits! They were Very Fast but Big $$ to keep alive. I'm 66 now and just want a Push rod motor I can Hot Rod without all the high maintenance. I will be following your progress on the Mustand too. It's near impossible to fund either of the Cars you have so I'm going to have to settle for, I think it's called an N95 Mustang so I can relive my Youth!
Cool! Done a couple of these. Some tips from past experience with the 302 and strokers. 1. A 347 would make a little more power, but if you want to wear the cyl less, go with a 331. 2. by the time you get done rebuilding those gt40 heads, you could be in an LMR SVE 175 head that will make more power than the gt40. Under a grand and ready for a hyd roller.. 3. Call Nick at clay smith cams. Get a cam recommendation from him. You wont be sorry when his cam runs circles around the 80's technology of that ford motorsports cam..They grind every cam for the customer anyway, so custom is the same price...
Let me know if you have any questions and cant wait to see this thing rip! Thanks for sharing
Thank you for that info
Hell yeah, im the 289th like . I'm going to unlike and wait and check back to see if I can be the 302 like
If you kept those pistons and used 58cc chamber gt40 heads. What would the compression ratio be?
On fords as long as the motor is from the same year and same model as your car it's still considered numbers matching
Yeah no such thing as numbers matching in Ford land
If you want reliability and 400+HP then forget the 347 spend the money on TF 11r heads and a comp XE274hr cam. GT40P with a FMS cam is going to stretch to get to 400HP maybe make your goal 350HP? FMS cams are ok at best and not worth saving a few dollars on them look at XE266HR for that combo.
The more digging I did
The 347 isn’t the best choice. Popular yes but not for my idea. The 331 would be better but still a tad radical
But you have good taste in parts for a builder
I was going to do the 347 but read into it and apparently it will warp the cylinders. I decided I'm going with 331 stroker kit since it apparently won't do that.
Reliability does drop with the 347
And I agree a 331 is more reliable over the 347
Pulled the original 318 out of my "Malaise" Valiant sedan; the plan was a cam, Edelbrock intake, Thermoquad, and 2.5" dual exhaust. It only had 88K & change and ran great, figured it would be 'easy-peasy.' Well, two cam bearing looked a little 'meh," and then when the crank came out- we found a bearing that had a couple scuffs. Now, I also have a '70 340 core short block so I robbed the crank out of it along with the windage tray, bought '68-spec higher-compression pistons and new I-beam rods. Heads? Since the compression was getting a bump, a pair of '90 '308' heads and a set of 25 year-old, but new & thermal coated, Flowtech headers (with Remflex gaskets & Stage 8 fasteners to keep the leak chances lower)...so watching this is cathartic in a way
Nice! I’ll be doing my 360 once I get all the parts together
@@imagoflyfishing9993 no torque wrench was used. Not sure what people are looking at? Hmmm 🧐
No clue...😅@69fasttimesgarage72
Okie- dokie@@imagoflyfishing9993
the Gt40P heads do flow well on the intake for a stock head - still not enough for a healthy 302. 400hp will be a chalenge, but for a budget build portwork, a 1.90 intake valve and the bowl work to match. as for compression, the L2488F30 has a 1.619 compression height and will help get the piston up to the deck or even a bit above. shave the heads down to 56cc ish, run a .039 gasket.
the KB pistons I do not like, the top ring is too high up and makes the piston top fragile to heat & detonation. Wiseco, SRP both have good 2 valve relief forged pistons for not a ton of money. for a good cast piston, find some H120cp pistons. thinner ring pack, no dish, 2 valve reliefs, light.
budget is relative, a hydraulic rollier conversion is great but the link bar lifters are spendy.
for 400hp you will need a cam with 224 degrees duration @.050 or more, .500" -.550" lift and about 110 lobe separation. it will be lumpy. the intake is good, I have run them.
an Eagle cast crank, Eagle I beam rod, Mahle forged piston stroker kit is listed for $1343 at CNC-motorsports. Mahle makes some very nice pistons so that will work well and give 10.5:1 easily if that's what you want.
looking forward to it!
Thank you for the very detailed comment. I love comments like this.
The hose clamp in the oil pan wouldn’t hurt anything at all. It’s probably still trying to adjust to the light!😳
Oh, did you check the contact surface of the lifters? The cam lobes looked about like I’d expect for as many miles that are supposed to be on it.
I’m sure it’s over 100k miles lol 😂 that main cap was screaming for help
I have a 1968 ford 302 I put in my 71 f100 sport custom and it runs great
Solid engines no doubt! Looking for a set of 4V heads for this project, if I can’t find a decent set of GT40’s
So far I have a edelbrock 500cfm 1403 carburetor edelbrock 289 intake hei distributor and stock 87-93 5.0 headers with dynomax super turbo mufflers on it
Time for a pair of AFR heads and a Vic Jr. Intake + a solid roller 😊. Just picked up 6 engines last week myself to add to my SBF collection, four 302s and two 351W's.
What pistons are you choosing
Being the fact , I’ll have the block decked and I I want to bring up compression. I think KB has some good choices
What was the cost of the rebuild?
Have not gotten that far yet. I got an unexpected surprise that may need my attention first for my other car
I'm gona guess around 330hp.
Nah I’ll hit the mark, stroker kit makes it easy but reliability drops a bit for a long haul resto mod type build
@@69fasttimesgarage72 I hope you prove me wrong! With a 3.4" stroke, I'll guess around 370.
I will say 345 hp but we shall see on this build.
a bunch of water
Oh yeah, even when you drain the block
There is always more
You used a torque wrenche as a pull handle?!!!
No torque wrenches were used , not sure what you saw
Just get a GT40P and your done
Now that I’ve been reading up on things about fitment issues for headers, may go towards AFR’s
@@69fasttimesgarage72 as someone who is currently battling my mistake of using gt40ps, use anything that's not gt40ps. Next 302 I build is gonna have a trick flow 11r 170 top end kit (for a cobra kit), hoping I can do a scat 327 stroker but if I gotta punch it out it'll be a 331. My truck has been just sitting, incomplete, primarily due to the gt40p heads I used. Honestly I should have just did the same work to a set of e7s or waited and found some 3 bar gt40s. I used to highly recommend gt40ps but that was before I ever actually messed with them. I no longer recommend them.
We could always bottle it up and send it to you so you can bathe your kids in it.
Yeah sure, I’d appreciate that
1.2o minutes in. What a fog just washing that onto the street ! Into your environment ! What a divk !
Dang karen! What exactly is "that? The dirt or grease or maybe the 7oz. Of soluble degreaser? Where is he suppose to wash it? hes inside his garage! washing toward the inside! bathtub? lol.
The wife said no to the kitchen sink, can’t please them all lol 😂
You must be a democrat..oh the environment!!😅😅😅