My boss years ago, with stack injection. 351 plus .030, Cleveland.big roller cam. And carved out the exhaust like your head to raise and fill the exhaust port, just like yours and maybe filled in intakes like your, saw the ex. Mods not ints., used sbc rods after crank mods, saw dyno sheet, ..750 hp. Cleveland heads can be made to really flow well !
I love the trash bag idea, I’m sure many people will give their inexperienced opinions about your going to blow your engine or it’s bored to big lol or it’s the sharp edges will start glowing and detonate. Maybe with a high boost turbo or blower with extreme cylinder pressure, but sounds so good and thanks for the video. Y’all did amazing job on this build, Nothing like a small cid ford engine at high rpm’s.
Steve Morris said when he was in pro-stock they could get by with 0 valve to piston clearance. A lot of deflection indeed. Thanks for the video. Well done.
Motor sounds great i really like how much you raised the runners in the head , i wish you the best of luck and i am anxious to see how you make out with this engine, ill be watching for future videos
Been there done that more times than I could care to count lol, very time consuming but keep at it, I bet it will sound nasty at idle, I love the little hi -rpm engines
Excellent insight- In regards to the oil pan volume did you suffer from starvation with less than 10quarts ? I'm running 8.5 quarts to 9600rpm - we worked on getting the return back more effectively- 72psi oil pressure 5W- 30 in a 303ci V8- Cheers
@@shawsgarage3635 Never perfect 😉- we just but a box around the pick up and funnelled the rear and front drains close to the pickup box- this occurred after the enclosing of the cam tunnel- which by the looks of it was holding up the returning oil- Good luck with the racing
Shawn awesome build and very inspiring, i just picked up some iron 4V heads and starting my build! What size valves did you use and did you put valve seats in to reduce the valve size? Thanks!
@ that is the smallest valve we could do with hitting water with the seats. 2.08 would have been ideal. Can’t remember on the exhaust, may have gone to a 1.65. I have a head guy who is smarter than me that makes the decisions. They were flowed and were impressive. I don’t have the data handy. Velocity is actually more important for what we do.
@@shawsgarage3635 I agree on velocity with your small cubic inches. Darin Morgan mentioned down sizing the valves as well which is why i asked and would like to do the same. Have you or anyone you know ran the MPG metal port plates that sandwich like a steel gasket? Or the aluminum intake stuffers?
@@markgummo9624our heads have the aluminum port fillers. No experience with MPG plates. Couldn’t find any to try. High port plates are far better though.
Are you running the truck at Mooresville drag strip this weekend im planning on being a spectator this weekend i enjoy when the gassers show up at shady side
Love the Boss 302, but how is it legal for SEGA's 1967 year cap? Love the exhaust plate mod, NASCAR inspired and adopted by Roush and Glidden, etc.!! Good luck with it!!
@@shawsgarage3635 I looked at the rulebook and did see them listed. I love watching SEGA events, and I appreciate variety. If they'd let me run an automatic (62-up Powerglide), I'd build a Opel Kadett wagon gasser with a 430 Buick, just for fun. A G-Force and clutch would cost more than the rest of the car with a 'Glide, so... lol
These pistons have too many of sharp edges for me. Id be tempted to get the Dremel after them and round the edges a bit more, and possibly take days getting them equal , then deck the block about .020" checking first..
@@jamest.5001 it’s hard to tell from the video but I went over all the edges with a dremel tool and a sanding roll. Block is already decked .025. The engine made killer numbers on the Dyno and when we get it to the track this weekend, it will either go or blow. That’s racing.
Use to spray factory roller bottom end blocks up to 400shot with a progressive system, crank never broke, but did eventually crack all the main caps!!!
, I beg to differ on that crankshaft, if it’s the original crankshaft from that era then it probably stouter than most aftermarket models of today,, I have a 1969 351w that I stroked,, if I could have found or gotten the original crankshaft that was in it from the factory I would have never stroked it but the people I bought the block from didn’t have it, it was just a block with the main caps😒
ok so you made 550 -575 horsepower with a 302 n/a. not really a barn burner. but that's about the limit for that set up. a smaller cam is gonna give you more torque... .700 lift is too much with those heavy rods, imo.
I told you that you couldn’t tell from looking at the screen . It makes 705 hp and 460ft/lbs torque. You can’t be competitive in SEGA without making at least 2.2hp/Ci
@@shawsgarage3635 so depending on your weight class, 2200 lb car, i expect to see your et at 8.51/160 trap, 2400 lb 8.76/ 155, or 2800 lb car, 9.22/147 trap. let's see your time slips. i don't think you have the torque or hp to pull it off.
@@axlegrind4212 we are 1/8 mile, 3130 lbs. this should run 6.10’s . We’ve been 6.18 110 with less motor than this. Record in our class is 5.99 with a 306 Windsor.
That engine won't Last with roller cam and Bronze valve guides and if its bored over 30 thousands it will leak anti freeze into the cylinders walls nothing like original ford parts from the 1970 s
@@jeffreydurham5342 I’ve ran.060 over on many stock roller 5.0 blocks, sprayed a lot of big kits on them, never cracked a cylinder wall. Sure blown a few head gaskets, but that’s common on stock roller 302 blocks with only 10 head bolts, always had good luck with O’rings put in the block decks though. 👍
My boss years ago, with stack injection. 351 plus .030, Cleveland.big roller cam. And carved out the exhaust like your head to raise and fill the exhaust port, just like yours and maybe filled in intakes like your, saw the ex. Mods not ints., used sbc rods after crank mods, saw dyno sheet, ..750 hp. Cleveland heads can be made to really flow well !
Love seeing the old Boss cylinder heads, Thanks for sharing this video, good luck with it!
I love the trash bag idea, I’m sure many people will give their inexperienced opinions about your going to blow your engine or it’s bored to big lol or it’s the sharp edges will start glowing and detonate. Maybe with a high boost turbo or blower with extreme cylinder pressure, but sounds so good and thanks for the video. Y’all did amazing job on this build, Nothing like a small cid ford engine at high rpm’s.
@@billyvandervoet7080 I appreciate it, we just try to do the best we can with what we have to work with.
It's a ford it will last dang footage well spoken on everything like I say ford people has dam good attitude keep it going yee haw
That is an exotic, tedious, and powerful build. Great job, and best of luck racing it!
Steve Morris said when he was in pro-stock they could get by with 0 valve to piston clearance. A lot of deflection indeed. Thanks for the video. Well done.
Good old Bob Glidden tricks guy knew his shit back in the 1970-80's Nice video thanks
@@Sainted1973 yes he did!
Motor sounds great i really like how much you raised the runners in the head , i wish you the best of luck and i am anxious to see how you make out with this engine, ill be watching for future videos
@@terrygrover6440 thank you!
Awesome build
Boss 302 putting the smackdown on all those pile shit DZ 302's from Chevy!
You're a good builder I would trust you with my engine
awesome build!
Been there done that more times than I could care to count lol, very time consuming but keep at it, I bet it will sound nasty at idle, I love the little hi -rpm engines
Thank you for sharing this information. The heads are Awesome
Great video.
Excellent insight-
In regards to the oil pan volume did you suffer from starvation with less than 10quarts ? I'm running 8.5 quarts to 9600rpm - we worked on getting the return back more effectively- 72psi oil pressure 5W- 30 in a 303ci V8- Cheers
@@arthurking6549 when we ran less than 10 in this pan, we would lose oil pressure braking at the end of the track. Your results seem perfect.
@@shawsgarage3635 Never perfect 😉- we just but a box around the pick up and funnelled the rear and front drains close to the pickup box- this occurred after the enclosing of the cam tunnel- which by the looks of it was holding up the returning oil- Good luck with the racing
subscribed. very interesting vid.
Shawn awesome build and very inspiring, i just picked up some iron 4V heads and starting my build! What size valves did you use and did you put valve seats in to reduce the valve size? Thanks!
@@markgummo9624 yes. 2.13 intake valves with smaller seats of course.
@@shawsgarage3635 How did you come up with that size and did you flow them? Stock ex valve size?
@ that is the smallest valve we could do with hitting water with the seats. 2.08 would have been ideal. Can’t remember on the exhaust, may have gone to a 1.65. I have a head guy who is smarter than me that makes the decisions. They were flowed and were impressive. I don’t have the data handy. Velocity is actually more important for what we do.
@@shawsgarage3635 I agree on velocity with your small cubic inches. Darin Morgan mentioned down sizing the valves as well which is why i asked and would like to do the same. Have you or anyone you know ran the MPG metal port plates that sandwich like a steel gasket? Or the aluminum intake stuffers?
@@markgummo9624our heads have the aluminum port fillers. No experience with MPG plates. Couldn’t find any to try. High port plates are far better though.
Where is your shop & do you work on 4v Head's.
Thanks for posting this, you obviously know what you're doing. Don't let the armchair experts get to you. Good luck racing and be safe!
@@jeffreydurham5342 thank you!
Are you running the truck at Mooresville drag strip this weekend im planning on being a spectator this weekend i enjoy when the gassers show up at shady side
@@peanut7105 sorry I didn’t see this comment sooner. We did run at Mooresville, hope you were able to be there too!
Whatever your building, you have them talking
Was it ran with a vacuum pump? If not, you ever tried one? May be worth some at that rpm especially.
@@JohnThomas-vb9se no. Our rules do not allow vacuum pumps, only evac tubes.
peak torque 413.7 at 6470rpm an at 7150 rpm an peak power 619hp at 8570 rpm
What kind of specs does the camshaft have to turn this much RPM
271, 283 duration 775 lift 112 lobe separation
Love the Boss 302, but how is it legal for SEGA's 1967 year cap? Love the exhaust plate mod, NASCAR inspired and adopted by Roush and Glidden, etc.!! Good luck with it!!
These heads were in development with Ford in 67 so SEGA has always allowed them. That was decided before I started racing with SEGA.
@@shawsgarage3635 I looked at the rulebook and did see them listed. I love watching SEGA events, and I appreciate variety. If they'd let me run an automatic (62-up Powerglide), I'd build a Opel Kadett wagon gasser with a 430 Buick, just for fun. A G-Force and clutch would cost more than the rest of the car with a 'Glide, so... lol
Bob glidden ran ford😂
These pistons have too many of sharp edges for me. Id be tempted to get the Dremel after them and round the edges a bit more, and possibly take days getting them equal , then deck the block about .020" checking first..
@@jamest.5001 it’s hard to tell from the video but I went over all the edges with a dremel tool and a sanding roll. Block is already decked .025. The engine made killer numbers on the Dyno and when we get it to the track this weekend, it will either go or blow. That’s racing.
Baddass Boss 302 😠
The original crank is 1010 steel wont last long. 😬 Eagle Molnar or Scat much better.
You may be correct and it may fail tomorrow, but you would be amazed at how many 9000 rpm passes this crank has made. Thanks for watching!
Use to spray factory roller bottom end blocks up to 400shot with a progressive system, crank never broke, but did eventually crack all the main caps!!!
, I beg to differ on that crankshaft, if it’s the original crankshaft from that era then it probably stouter than most aftermarket models of today,, I have a 1969 351w that I stroked,, if I could have found or gotten the original crankshaft that was in it from the factory I would have never stroked it but the people I bought the block from didn’t have it, it was just a block with the main caps😒
👍🏁
ok so you made 550 -575 horsepower with a 302 n/a. not really a barn burner. but that's about the limit for that set up. a smaller cam is gonna give you more torque... .700 lift is too much with those heavy rods, imo.
I told you that you couldn’t tell from looking at the screen . It makes 705 hp and 460ft/lbs torque. You can’t be competitive in SEGA without making at least 2.2hp/Ci
@@shawsgarage3635 705 hp from a n/a 302? 😂
nahh you aren't fooling me. 460 torque is about right.
@@axlegrind4212 it’s 321.5ci , not 302. 2.2hp per cubic inch is very common in SEGA. Thanks!
@@shawsgarage3635 so depending on your weight class, 2200 lb car, i expect to see your et at 8.51/160 trap, 2400 lb 8.76/ 155, or 2800 lb car, 9.22/147 trap. let's see your time slips. i don't think you have the torque or hp to pull it off.
@@axlegrind4212 we are 1/8 mile, 3130 lbs. this should run 6.10’s . We’ve been 6.18 110 with less motor than this. Record in our class is 5.99 with a 306 Windsor.
That engine won't Last with roller cam and Bronze valve guides and if its bored over 30 thousands it will leak anti freeze into the cylinders walls nothing like original ford parts from the 1970 s
It’s a Dart block. It’s already 4.130 bore. They can go 4.185.
Hilda, these are like 1776 with M4s instead of muskets. None of this stuff was around in 1967... tunnel rams came out in March, 1968, for example.
Why will .030 over leak antifreeze in the cylinder??? I’m just curious how you came up with that!!!
@@billyvandervoet7080I wish I knew where folks come up with these outlandish statements.
@@jeffreydurham5342 I’ve ran.060 over on many stock roller 5.0 blocks, sprayed a lot of big kits on them, never cracked a cylinder wall. Sure blown a few head gaskets, but that’s common on stock roller 302 blocks with only 10 head bolts, always had good luck with O’rings put in the block decks though. 👍