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Valve relief cc's in TRW flat tops?

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Old Jul 18, 2003 | 03:34 PM
  #1  
88IROC350TPI's Avatar
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Joined: May 2001
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From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
Valve relief cc's in TRW flat tops?

I need to know the cc's of the valve reliefs in my p/n L2256F30 TRW flat-top forged pistons (the ones with the 4-valve reliefs). From searching here and other places I've come up with answers ranging from 5cc to 12cc but cant find a definate answer. Does anyone know?

Thanks,
Chris
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Old Jul 18, 2003 | 03:45 PM
  #2  
boogie's Avatar
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From: Coushatta LA
6.1 cc's to be exact.
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Old Jul 18, 2003 | 04:08 PM
  #3  
AJ_92RS's Avatar
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Joined: Apr 2001
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
The coolest thing happened. I went to a search engine, looked up TRW Pistons and found www.TRWaftermarket.com

Then I clicked on "Contact Us" and this page popped up where I could send them an email.

Actually........ here's their phone number

(888) 300-6285

Maybe you can use it?

Last edited by AJ_92RS; Jul 18, 2003 at 04:12 PM.
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Old Jul 18, 2003 | 05:45 PM
  #4  
Damon's Avatar
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Joined: Sep 1999
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From: Philly, PA
Yep, about 6cc worth of "eyebrows".
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