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Longhorn Man · 07-27-2009, 07:49 PM

small block;

Big block;

Look at the valve covers... easy way to remember for someone who doesn't know. 4 bolts on a small block, and I think 7 on a big block.
Odds are slim on stubling on a big block.

07-27-2009, 07:49 PM	#2
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: What are pulley difference SB BB ? small block; Big block; Look at the valve covers... easy way to remember for someone who doesn't know. 4 bolts on a small block, and I think 7 on a big block. Odds are slim on stubling on a big block.