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Can i use stock valves???

Old 09-18-2004, 03:59 PM
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Default Can i use stock valves with....

I am planning on putting a Ls head together with Crower 404's and Crower Valvesprings and retainers but i was wondering can i use stock valves or should i just upgrade to aftermarket valves.


Modified by LsBack at 1:21 AM 9/19/2004
Old 09-18-2004, 04:42 PM
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Default Re: Can i use stock valves with.... (LsBack)

Stock valves will be fine as long as they are in good shape. I would at least get a valve job done though. Aftermarket valves can net more power but the difference would be minimal. It's all in the valve job.
Old 09-19-2004, 10:34 AM
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Default Re: Can i use stock valves with.... (EKhatch)

THanks
Old 09-19-2004, 11:25 AM
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Default Re: Can i use stock valves with.... (LsBack)

yea no need to replace ur valves. i just installed CROWER 403 cams in my car with crowe valve springs and retainers. no need for new valves
Old 09-19-2004, 01:04 PM
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Default Re: Can i use stock valves with.... (boosted k20)

what about the fact of the valves now traveling farther with the new lift of the cam. I have heard that the stockers get polished in the area of the valve seals where they traveled before, and the could possible leak after that.
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