Ken, The deck height is different between a small block and a big block. That's why a big block is wider from head to head and takes a wider intake manifold than a small block. A right side big block cast iron exhaust manifold on a small block will hit the right side of the crankcase on the block.
Milton Schick 1964 442 Cutlass [EMAIL PROTECTED] ----- Original Message ----- From: "kenneth treharn" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, October 31, 2006 7:17 AM Subject: small block factory dual exhaust manifolds > Hello List, Just wondering how hard it is to find the factory stock > manifolds for a 68-72 A-body ? I know they re-pop the big block ones but I > have read they don't work on the small blocks. What is the reason they > don't work? The bigger ports on the manifolds the problem or do they hit > somewhere. Thanks, Ken > > > > --------------------------------- > Everyone is raving about the all-new Yahoo! Mail. -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.409 / Virus Database: 268.13.21/509 - Release Date: 10/31/2006
