Quote:
Originally Posted by Paul Precht
Yes but the Maxi mani doesn't fit a low block (400) without obvious mods but the Edelbrock 383 6 Pak mani fits a 400 block just fine and it's been done. The 400 block is stronger and 25 lbs or so lighter plus the advantage of the lighter piston and rod.
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All I said was the 413 & 426W share the same structure as a 440 (except bore). You can legally use a 413/426W block for a 440 if you choose.
The 361/383/400 B block is different. It is a low deck and uses a smaller main bearing.