Thread: 400 SBC Block
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Old 07-19-2008, 05:18 AM
  #16  
Racefab57
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Join Date: Nov 2006
Location: NC
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You should have em sonic tested,lots of variations in wall thickness. Find a good one and with 4 bolt mains, maybe a short fill and limit hp and your ok! A friend of mine built a 377 years ago ( drag car) and its still running fine!!! David.
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