Oversize valves for F/I built engine
09-03-2004, 01:00 PM
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Oversize valves for F/I built engine
Has anyone come across any manufacturers who are making oversize valves for the VQ35 yet? I am going to do some head work while my motor is apart for the forged internals from the group buy and this mod came to mind. Any ideas??
09-03-2004, 01:17 PM
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im pretty sure ferrea makes 1mm over valves as well as springs, and retainers... a kit for the vq
09-03-2004, 03:51 PM
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i have ferrea 1mm oversize valve. they are a shelf stock item there.
09-05-2004, 08:38 AM
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With the oversized valves you obviously need to have the seats cot 1mm larger to get gains from them. What is the cost to have this machine work done?
09-05-2004, 02:24 PM
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I went through the ferrea catolog and couldn't find anything for the Z33 or 350z.
09-05-2004, 04:44 PM
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mardigras: its not expensive at all since you typically would do a valve job anyway. just make sure the stems installed height is correct.
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09-03-2004, 01:00 PM
Oversize valves for F/I built engine
