Cam & ptv Clarence ???

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05-06-2018, 12:49 PM

jaywill

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Cam & ptv Clarence ???

I have this trickflow cam 238/242 @50*..595/595 lift..112 for my lq4 with 243's how far can I Mill the heads down without piston to valve clearance ???

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05-08-2018, 03:59 AM

newschool72

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Measure, measure, measure. Only way to know.

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05-08-2018, 04:46 AM

Doug G

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I would set the heads without a gasket on the motor with #1 at TDC and do a drop test (would be best to check all 4 corners @ TDC of each)

This would get you a number to start with.