[V8Vairs] 4.56:1 diff explained

[Marty Scarr]

Seth wrote:
Paul  - I always thought starting with a nice 4-bolt main  307 truck block
and adding a 3" stroke large journal Z28 crank =  a  bullet-proof 283 short
block. Then twin small turbos for mid-range +.  Not enough low-end torque to
break anything, but enough mid-range and top end to  satisfy almost anyone.
And some people are building 454 inch "small" blocks  - different strokes
for different folks!

Hey Seth

How does one identify a 307 truck block - as opposed to a 307 car block?

thanks
Marty Scarr