4.8 or 5.3 pistons?
03-14-2012, 09:46 PM
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as far as i know only l33's came with the flat tops in a 5.3 which is an aluminum block. havnt researched it though. They do share the same compression height and bore size though and are all interchangeable.
Last edited by got-a-ls1; 03-15-2012 at 10:54 PM.
03-14-2012, 11:02 PM
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i just got this motor for my car..so either its a 4.8 or 5.3 im still gona use it.
ill be putting the ls9 headgaskets for safety. will this lower compression some?
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03-15-2012, 08:41 AM
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03-15-2012, 02:58 PM
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Smart if you did. I don't think many people will believe you though. Make sure your tuner keeps the timing very conservative with these stock bottom ends your using. They will stay alive and make power but will f*ck up alot of your parts when they go.
03-15-2012, 06:00 PM
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03-15-2012, 08:39 PM
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The car was tuned on 10 degrees of timing on the ls2. Than I said **** it, I'll pull the ls2 and put a JY motor in while I forge the ls2. Plain and simple.
03-15-2012, 08:41 PM
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03-15-2012, 11:02 PM
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