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  #31 (permalink)  
Old 02-09-2010, 10:52 PM
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Quote:
Originally Posted by Chucky5150
heads have different numbers
3917215 and 3909802
The 802 heads are a bit earlier than the 215's.

About a 110 cc 'closed' chamber. They both were used on 396/427 BBC in mid to late 60's.

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  #32 (permalink)  
Old 02-10-2010, 08:35 AM
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bigger is better when it comes to engines (as long as cost is reasonable).

A 454 cost the same to rebuild as a 396. Building a 396 instead of a 454 is like building a 283 instead of a 350, makes no sense on a performance per dollar stand point.

I rebuilt my 396 because I was bored and had the engine sitting under my work bench. I wish I would had left it there and did another 454, or 496, or at least put a 454 crank in the 396 block and made a 440.

When you build your engine make sure everything matches. compression ratio, cam, gear, stall converter, and intake.

A 3.08 gear and stock converter will require low compression (8 to 9:1) and a mild cam (206 to 218 at 0.050") and a dual plane intake. If you plan to run more gear and stall then the engine can have more compression and cam.

what gear and stall do you plan to use?

A 454 with flat tops can work with those 802 heads with a mild cam. So just install a 454 block with a mild cam under all the 396 stuff. But use the 454 balancer and flexplate.
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