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Old 08-30-2010, 02:38 PM   #10
redsoxsstink
 
Join Date: Dec 2009
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Quote:
Originally Posted by V View Post
it could be an issue with the tolerances of the pitch of the threads....

the stock stick and 5.0 could have loose tolerances when it comes to the thread sizing and pitch.
the stock knob could have a loose tolerance as well since it a mass produced part.
the UMI stick may have tighter tolerances due to be a smaller/more controlled production run.
and then finally, the new knob may have tighter tolerances as well being a low amount produced at a time.
in the end, 2 items with tight tolerances will be harder to match up.

this could very well be the issue you're running into.

finding out the exact thread size and pitch of the UMI stick would be the first step and then find a tap for that size and go to town on the new knob.
wow what a awesome answer. that is probably what i the problem is, how would you go abt finding the pitch?
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1986 IROC-Z, T56, MGW shifter, Heads, Cam, Holley Stealth Ram 350, t-top, tubular LCA with relo brackets, adjustable PHB, belltech sway bars, ground control weight jacks, SLP mid length headers, 3in w/borla XR1, RIP 3 10 bolts, 12.7 @ 109 so far.. atleast its faster than stock SOLD

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