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#1
02-16-2005, 09:47 PM
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Copo 427 or 454? engine block
Is this for a 427, or 454, or both?? looks nice and not hacked, was wondering if block was used for both size engines, thanks.. thought it was standard and 454, but could be COPO too?
oph, heres a linkhttp://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=7954810844&rd=1&sspage name=STRK%3AMEWA%3AIT 
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#2
02-16-2005, 10:05 PM
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The COPO motor was a L72 and a ZL1, not the LS6. Its just one of those words they add to get your attention. I wouldnt spend the money on that tho.
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#3
02-16-2005, 11:24 PM
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Re: Copo 427 or 454? engine block
The COPO 427 and the 454 both used that casting number..
The difference between a standard 454 and The COPO 427, was that the copo used an all aluminum block..
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1991 Camaro Z28
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#4
02-17-2005, 03:01 AM
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Re: Copo 427 or 454? engine block
NO, I know they made a copo with an Iron engine, and the ZL1 was a copo too, but aluminum engine, so this could be a Iron copo block I have to assume
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