Generation III Internal Engine 1997-2006 LS1 | LS6
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New rings or replace pistons

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Old Sep 7, 2018 | 10:09 PM
  #21  
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Ls2 is 11:1 stock I wouldn’t worry much
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Old Sep 8, 2018 | 08:02 AM
  #22  
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A while back I tried to source some aftermarket pistons to fit the stock rod and couldn’t. I wouldn’t attempt to bore the block. You’ll never get away with 20 anyway. And technically to do it the right way even swapping pistons will need to be balanced. A lot of people don’t though. If your pistons look like hell I would use stock replacements even used and use new rings rods mains cam bearings lifters oil pump timing set etc and run it. Make sure the machine shop removes the front freeze plug for the oil galley and the barbell and cleans that well. A lot of machine shops don’t know as much as you’d think. Also you’ll need new valve covers and coil brackets for the newer heads.

Last edited by VandykeT/A; Sep 8, 2018 at 08:03 AM. Reason: Forgot
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Old Sep 8, 2018 | 01:58 PM
  #23  
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Default Replancement Piston Weight = Lower

Hi Rockey, the piston quote you asked for will have a LOWER/Equal Weight.

THUS NO NEED to rebalance !

POST your piston/pin/ring weight ?

Lance
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Old Sep 10, 2018 | 09:09 PM
  #24  
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Originally Posted by pantera_efi
Hi Rockey, the piston quote you asked for will have a LOWER/Equal Weight.

THUS NO NEED to rebalance !

POST your piston/pin/ring weight ?

Lance
My old pistons and wrist pins weighed in at 598 grams total (435g pistons + 163g wrist pins). The Wiseco PTS523a903 weighed in at 586 grams total (461g pistons + 125g wrist pins). So the proposed pistons weighed in at around 12 grams lighter but not sure what that means in terms of balancing. I figured I would post this information since I have the numbers.

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Old Sep 10, 2018 | 10:07 PM
  #25  
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Looks like Dexcrap is gunked up in the water passages.
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Old Sep 13, 2018 | 11:19 AM
  #26  
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Originally Posted by wannafbody
Looks like Dexcrap is gunked up in the water passages.

Is that what the Dexcool debate looks like? I've never actually seen pics of it. I'm not trying to start a debate, so please, nobody bite. Just curious if that's typical for the older
cars that have ran Dexcool for Hundreds of thousand of miles...
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