Quote:
Originally Posted by bigblockv6
Magnum exhaust manifolds will not match up with the small port heads. If you're looking for some freer flowing manifolds use the larger series I Beam manifolds that were used on all 351C, 379, small port non Magnum 401(1960-65) or small port non Magnum 478(1962-65)  |
Why not? Is the bolt pattern not the same? How about the bolt to port location relation?