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#1 |
Registered User
Join Date: Apr 2002
Location: ALBUQUERQUE,NM,USA
Posts: 3
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I have run across a 396/402 block with a "Z" code . It is also stamped "truck pass hi perf" It is a 2 bolt main. I`ve noticed its much heavier than the other 396 blocks I have. Does anyone know what this block is? Why its heavier? Can it be bored out to use as a 427/454 ?? Any info on this block would be greatly appreciated. Thanks from Chris.
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#2 |
Senior Member
![]() Join Date: Dec 1999
Location: Darrington, Washington
Posts: 3,963
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Id look up the casting number and date,all bbc have hi perf stamped on them.
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#3 |
Registered User
Join Date: Apr 2002
Location: ALBUQUERQUE,NM,USA
Posts: 3
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Already did that - am looking for someone with specific knowledgw or experience with this particular block.
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