Racingjunk Forums - View Single Post - 400 sbc 2 bolt main suggestions?

11-22-2010, 03:52 PM

#10

Tod74

Senior Member

RACING JUNKIE

Join Date: Sep 2007

Posts: 4,137

I thought the 511 was the 3 freeze plug 4 bolt main casting? they are the ones with the worst reputation. all mine were 4 bolt main 3 freeze plug blocks. only street motors though.

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