LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

need correct casting number for heads

Old Jan 20, 2006 | 04:07 PM
  #1  
luckyou03's Avatar
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From: Memphis, TN
need correct casting number for heads

I'm looking for a good core set a heads to send to get ported, and I need to know which heads are the best 93-97? what are the best casting numbers to look for ect. thanks!

Last edited by luckyou03; Jan 20, 2006 at 04:10 PM.
Old Jan 21, 2006 | 06:10 AM
  #2  
cehan's Avatar
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From: Brandon, Fla.
Re: need correct casting number for heads

I was told that the later heads, '96-'97, with casting numbers that end in 561 are the ones to avoid.

Chris
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