12-23-2007, 10:14 PM
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#5
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Senior Member
Join Date: Aug 2006
Location: Pukwana SD
Posts: 860
Likes: 554
Liked 99 Times in 49 Posts
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Re: Gm Blocks
Quote:
Originally Posted by Stick Racing
Does the MK 4 block have the small bore or the big bore?
Andy Stone
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4.250 bore
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