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Flat and Disc

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Old 10-11-2008, 07:42 PM
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Default Flat and Disc
Flat and Disc valves what is the difference?

I just bought supertech's stk flat valves. I have notice the oem valves are disc, what is the difference in performance and Smog in CA?

Need some help guys before i put this in my car.
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Old 10-12-2008, 12:01 AM
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A dished valve is used to reduce weight and lower the chance of valve float. A flat faced valve will enable you to increase the compression a little.
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Old 10-12-2008, 03:21 PM
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double post.
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