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Generation III Internal Engine
Piston damage?

Generation III Internal Engine 1997-2006 LS1 | LS6

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Piston damage?

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Mar 29, 2016 | 06:55 PM

#1

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Piston damage?

I'm doing a head/cam swap and just got the head off. Today's surprise was seeing that the valves have been hitting the Pistons. I thought I knew about my engine (it's a swap) but I'm finding its not what I was told by the seller. I am putting ported 243's on there, but have no idea what heads were on it (the casting numbers are ground off). I'm assuming they were milled. Should I fly cut the Pistons or hope it'll be fine with the new heads?

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Apr 1, 2016 | 07:15 AM

#2

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" Should I fly cut the Pistons or hope it'll be fine with the new heads?"

A "novel idea"......Check the clearance, and act accordingly.

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Apr 1, 2016 | 07:24 AM

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Run it and cross your fingers.

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