Chevy big and small block engines

[Shannen Durphey]

Grant Gatenby wrote:
> 
> Sorry if this doesn't pertain entirely to the group but here goes
> 
> After a few bits of info here.
> 
> Anyone have any idea what the weight of a 350 SB as compared to a 427/454
> BB is ?? and then the same with alloy heads.

Quick check shows bare block weights to be 269-272 lbs for
BB and 90(AL)-186 lbs for SB.  Heads (ea) are... 27.5 lbs(Al
BB) (cast iron not shown) and 19.5-42.5 lbs for SB 
>From Chevrolet Power manual.

> Next question. what is the ideal EFI setup....stock TPI or a manifold with
> one throttle body per cylinder, or just a modified Corvette TPI
> setup...maybe aftermarket computer, bearing in mind also we may be looking
> at methanol also

 
> The end result has to be a dirt track engine producing around 500-600hp
> from as little capacity as possible with a maximum of 434ci
> 
> Grant
Shannen