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#18 |
Senior Member
Join Date: Aug 2006
Location: Pukwana SD
Posts: 860
Likes: 554
Liked 99 Times in 49 Posts
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Alan 20 years ago we bored them 60 all the time for stocker engines, but i think 30 as long as you dont plan on making more than 500 550 hp they are not very thick 180 or so. Good luck.
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