2004 6.0 NV4500 Tahoe

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Dantheman1540

Dantheman1540

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I think these probably are ls7s from 2017ish when the motor was “refreshed” by the PO. I borescoped the cylinders today and I can see hash marks on the cylinder walls which makes me feel good. I think I’ll order the gaskets and swap the 243s in soon. I have the 862s sold to the guy that sold me the 243s if I want to sell them.
 
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Dantheman1540

Dantheman1540

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Next point of thought, which gaskets to run.
ls9 gaskets 10.07:1cr
LQ4 gaskets 10.16
Cometic.041 and have 10.4:1

Currently has 10.39:1cr with the 862s and LQ4 gaskets.
 

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