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#1
10-05-2002, 11:47 PM
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Re: I want to but a new GM ZL1 block
My aluminum 427 does sound much different than my aluminum head, cast iron block 427 motor and they are pretty close in build, however I would like to build a new block ZL1 and not be afraid to break it! I have gone 11:45 et @ 118 mph in my Fathom green 69 Camaro 10 years ago when they asked me to leave the race track, due to no roll bar. I would like to build a 12-1 NEW ZL1 motor, not sure what crank I would use or stroke but build a weekend basher. I love horse power and fast cars, my latest is a blown alky 63 Vet race car!! [img]/ubbthreads/images/icons/grin.gif[/img]
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#2
10-06-2002, 12:12 AM
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Re: I want to but a new GM ZL1 block
The new ZL-1 block is a work of art! Period!
Peter
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Pete Simpson 1962-2013 RIP Owen Simpson Eric Simpson
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#4
10-06-2002, 01:21 AM
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Re: I want to but a new GM ZL1 block
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#6
10-06-2002, 07:12 AM
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Re: I want to but a new GM ZL1 block
I have heard that the new ZL1 block is built better than the original. Anyone have a view on this? I would've figured it'd be the other way around.
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#7
10-06-2002, 03:53 PM
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Re: I want to but a new GM ZL1 block
I can only comment on my 69 block that when I got it home and inspected it I found the main caps had no dowel pins and the new block has as well as splayed caps of a harder material with a logo on the main caps, the aluminum used is a superior grade and harder alloy. Has any one built this block with a 4.375 crank? just curious as to how much clearance is needed in the block to clear this steel rotating assembly.
Mike
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