LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Stock LT1 pistons: ring thickness?

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Old Sep 7, 2006 | 11:56 AM
  #1  
Jason99T/A's Avatar
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From: Baton Rouge, La
Stock LT1 pistons: ring thickness?

I believe the stock pistons are setup for 2mm top rings and a 1.5mm second ring. However, I have heard conflicting stories on the thickness of the factory oil ring -- 3.8mm and 4.0mm? Which one is correct?

Thanks,
Jason
Old Sep 7, 2006 | 03:56 PM
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marshall93z's Avatar
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Re: Stock LT1 pistons: ring thickness?

I always THOUGHT it was 1.5/1.5/3??
Old Sep 7, 2006 | 06:21 PM
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sam pace's Avatar
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Re: Stock LT1 pistons: ring thickness?

4mm
Old Sep 7, 2006 | 06:40 PM
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Jason99T/A's Avatar
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Re: Stock LT1 pistons: ring thickness?

Thanks!
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