New valves cutting or lapping?

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Jul 23, 2011 | 07:51 AM

RACEPAK

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New valves cutting or lapping?

hi,

i just got a set of new supertech valves for my d16, the head is in exelent shape,

is it nessacery to cut the valve seats or lapping will be enough?

thanks

Jul 23, 2011 | 03:59 PM

stumpyf4

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Joined: Jul 2002

Posts: 1,445

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From: Mrs. Sauga, Ontario, Canada

Re: New valves cutting or lapping?

I'd do a valve job. Mind as well.

Otherwise check the new valves in the head with die makers bluing ink. It might be sealing fine without the lapping.