Thread: HP adjustments after the Dutch - posted
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Old 10-19-2012, 11:47 AM   #9
Mike Pearson
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Default Re: HP adjustments after the Dutch - posted
Quote:
Originally Posted by Paul Precht View Post
Hi Mike, the valve-diameter tolerance is: +.005- inch or -.015-inch from NHRA Specs so you were probably a total of .016 too small.
Yes thats correct. .001 under the low tolerance
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