Flow info on the GM LM1 heads

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Jan 1, 2003 | 09:49 AM

Daemorok

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Joined: May 2002

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From: Philadelphia

Flow info on the GM LM1 heads

I was wondering if anyone has any flow info the heads that come on the GM Goodwrench LM1: http://www.sdpc2000.com/cart.asp?act...id=130&pid=383

Jan 2, 2003 | 02:10 PM

82sportcoupe

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Joined: Oct 2001

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From: southington, ohio usa

I bought that motor about a year ago. I dont have flow #'s for them but the heads looked absolutely TERRIBLE!!! I have never seen ports that goobered up before. thats why they are still sitting in my garage. But, you could probably make some use of them if they were ported and polished.

Jan 2, 2003 | 03:19 PM

dimented24x7

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From: Moorestown, NJ

Car: 88 Camaro SC

Engine: SFI'd 350

Transmission: TKO 500

Axle/Gears: 9-bolt w/ 3.23's

theyd be good boat anchors, thats about it. I have 'em on my motor and YUCK, they suck **** bigtime. As for that 249 hp, HA! more like 190 with the cam it has. If you have a set of those heads id take them and melt them down into soup cans. Thats about all their good for is the iron.