C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old May 9, 2009 | 07:26 PM
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ChrisWhewell
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I'm piecing a motor together and picked up a set of these forged rods

http://www.gmpartsdirect.com/perform...CATID=847.html

They seemed to be a premium GM offering. Anyone use these before ?
Comments ? They look tougher than the PM rods and come with ARP capscrews.
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Old May 9, 2009 | 08:14 PM
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C409
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They look pretty stout....sounds like they're on the heavy side.....H-beams run around 700 grams.....didnt find them in an '07 GMPP catalog ....they do look good though , should be able to handle some serious power.....
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Old May 9, 2009 | 08:39 PM
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Originally Posted by C409
They look pretty stout....sounds like they're on the heavy side.....H-beams run around 700 grams.....didnt find them in an '07 GMPP catalog ....they do look good though , should be able to handle some serious power.....
Thanks alot. They wrote 739 grams average and you provided a data point of 700g for H-beams, and I wasn't aware of that so I have a reference point now. I like the beams on the caps versus the stock PM rods, even though PM is pretty tough stuff.
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