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Generation III Internal Engine 1997-2006 LS1 | LS6
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any ptv issues with 243milled to 59cc and my cam?

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Old 03-20-2012, 10:21 AM
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Default any ptv issues with 243milled to 59cc and my cam?
Cam is 232/240 .595/.608 115
Its on a lq4 so I do have the dished poisons...
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Old 03-20-2012, 10:24 AM
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I would Definately clay the heads to be sure
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Old 03-20-2012, 10:51 AM
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Most likely yes, most people think the dish on the lq4 piston is like a valve relief, but it is really not. the valve will still hit the outside part of the piston.
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Old 04-23-2012, 12:26 AM
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how did this turn out and how much did you take off the heads?
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Old 04-23-2012, 12:06 PM
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Measure, I would guess yes, there would be contact.
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