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Author Topic:   3951511 chevy 400 block
Bob Berryhill
Dirt Roller

Total posts: 17
posted October 30, 2005 06:43 PM  
Can anyone tell me what kind of HP and Rpm range this block will hold up to? Thanks

Dirt Freak

Total posts: 209
posted November 01, 2005 07:21 PM  
upto 600 with splayed caps fitted. that is if the block has minimal core shift and good bore wall thickness.

nine finger
Dirt Forum Racer

Total posts: 76
posted November 02, 2005 11:25 AM  
if you plan on making any serious power you will split the cylinders

Dirt Forum Racer

Total posts: 100
posted November 03, 2005 05:55 PM  
i have seen them split on assembly before....the **** steam holes between the cylinders....

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