do i need to flycut my pistons

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Nov 23, 2010 | 04:57 PM

jcob

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From: clilnton, ms

do i need to flycut my pistons

i have basicly a stock ls1, 241 heads milled .030, a .040 head gasket, and a comp cam part # 54-459-11,
lift .617/.624
113 lobe sep
231/239 duration

has anyone run this camshaft before, or does anyone know if the pistons need to be flycut?

Nov 23, 2010 | 05:05 PM

Johnnypappis

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Safety is the best policy my freind measure PTV Clearence....better safe then sorry and your pulling the heads off anyway.

Nov 23, 2010 | 05:07 PM

jcob

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From: clilnton, ms

the whole engine is at the machine shop getting the crank turned right now anyway. how much would you recommend cutting?

Nov 24, 2010 | 07:32 AM

jcob

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From: clilnton, ms

any help while its still at the machine shop would be nice

Nov 24, 2010 | 07:43 AM

Intercooler2

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If it's at the shop have them do it while there. They should know how much to cut to make it safe.

Nov 24, 2010 | 11:55 AM

Sales4@Texas-Speed

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I think it need to be cut. If it wasn't it would be very close. That is a decent sized cam with heads milled .030 and a .040 gasket, a noticeable amount of clearance is being lost there.