302 clevor engine?
#5
How would they do on a 302?
#6
You can build it up like the original Boss 302, which was pretty weak up to about 4000 rpm, then it would scream up to 8000 rpm, when the bottom end would disintegrate. They were really only good for lightweight cars, like a Mustang, on high speed tracks.
I collected parts for building up a "Boss" 351 using B&A's Track Boss manifold and a pair of Australian 2V heads. Then I found out the cost to machine and build up the heads so they had good flow was more than what a good set of modern aluminum heads, complete, would cost. So I have some parts I don't know what to do with, including a pair of Aussie heads in need of complete revuild and a set of those funky valve cover/stud stabilizers that only fit Cleveland style heads.
I collected parts for building up a "Boss" 351 using B&A's Track Boss manifold and a pair of Australian 2V heads. Then I found out the cost to machine and build up the heads so they had good flow was more than what a good set of modern aluminum heads, complete, would cost. So I have some parts I don't know what to do with, including a pair of Aussie heads in need of complete revuild and a set of those funky valve cover/stud stabilizers that only fit Cleveland style heads.
#7
So I were going to build one the 351 would be the way I need to go. I really am not wanting to race my truck but I do want power on demand . I can't decide on the 351w or stay with the 302w. Also I want a deep rumble from exhaust.
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#8
#9
Is a Clevor 302 worth the trouble? Your call. Might be interesting to put one in a Fox Mustang. If you could get some Aussie 302C heads to put onto a roller block, stroke it to 3.25", you'd have a peppy little runner. You'd have to notch the pistons to clear the intake valves.
I've heard that the 85 or 86 roller blocks had thick walls. If you could bore one of those to 4.1", you'd have an interesting 343" engine.
Edelbrock makes a 4bbl intake for the 302 Clevor. Summit sells it for $260.
The canted valves just flow better than the typical in-line Windsor valve. Low-lift flow is better. The valves are pretty big on Clevelands; 2.05" on the 2v heads. Valve sizes are restricted on Windsor heads, usually to about 2.02".
The open-chamber heads flow well and you can improve on that by using 30 degree valve angles instead of the usual 45 degree angles.
Just sayin'.
I've heard that the 85 or 86 roller blocks had thick walls. If you could bore one of those to 4.1", you'd have an interesting 343" engine.
Edelbrock makes a 4bbl intake for the 302 Clevor. Summit sells it for $260.
The canted valves just flow better than the typical in-line Windsor valve. Low-lift flow is better. The valves are pretty big on Clevelands; 2.05" on the 2v heads. Valve sizes are restricted on Windsor heads, usually to about 2.02".
The open-chamber heads flow well and you can improve on that by using 30 degree valve angles instead of the usual 45 degree angles.
Just sayin'.
#10
#11
Hi Ken. If I didn't already have unfinished projects, I would consider a Boss 302 build for my 86 Mustang GT. I'd like to find someone to weld up a EFI manifold for the Boss/Clevor combination. I think the GT40 intake has round ports up to the point where it bolts to the heads. Those round ports would mate up well to the round Cleveland ports.
#12
Is a Clevor 302 worth the trouble? Your call. Might be interesting to put one in a Fox Mustang. If you could get some Aussie 302C heads to put onto a roller block, stroke it to 3.25", you'd have a peppy little runner. You'd have to notch the pistons to clear the intake valves.
I've heard that the 85 or 86 roller blocks had thick walls. If you could bore one of those to 4.1", you'd have an interesting 343" engine.
Edelbrock makes a 4bbl intake for the 302 Clevor. Summit sells it for $260.
The canted valves just flow better than the typical in-line Windsor valve. Low-lift flow is better. The valves are pretty big on Clevelands; 2.05" on the 2v heads. Valve sizes are restricted on Windsor heads, usually to about 2.02".
The open-chamber heads flow well and you can improve on that by using 30 degree valve angles instead of the usual 45 degree angles.
Just sayin'.
I've heard that the 85 or 86 roller blocks had thick walls. If you could bore one of those to 4.1", you'd have an interesting 343" engine.
Edelbrock makes a 4bbl intake for the 302 Clevor. Summit sells it for $260.
The canted valves just flow better than the typical in-line Windsor valve. Low-lift flow is better. The valves are pretty big on Clevelands; 2.05" on the 2v heads. Valve sizes are restricted on Windsor heads, usually to about 2.02".
The open-chamber heads flow well and you can improve on that by using 30 degree valve angles instead of the usual 45 degree angles.
Just sayin'.
#13
Hi Ken. If I didn't already have unfinished projects, I would consider a Boss 302 build for my 86 Mustang GT. I'd like to find someone to weld up a EFI manifold for the Boss/Clevor combination. I think the GT40 intake has round ports up to the point where it bolts to the heads. Those round ports would mate up well to the round Cleveland ports.
#14
I see its been awhile for this discussion but Trick flow makes a few manifolds for clevors, even a 5.0 style fuelie set up I think that would kick ***. CHI makes some wicked heads to build clevors as well. Jon Kasse has used them to win the engine masters a couple times. agreed new windsor heads exceed old clevelands, but you will still have to spend big bucks to get a modern windsor head that flows like a modern cleveland.
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