Thread: IHRA coming to my local track PBIR, Can I run in any of the classes?
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Old 09-28-2009, 11:56 AM   #4
Tweaker
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Default Re: IHRA coming to my local track PBIR, Can I run in any of the classes?
Quote:
Originally Posted by LNorton View Post
Lift is the only thing checked on the cam in stock. If you run pure stock they will check lift, duration, and overlap.

so lift has to remain stock lift in stock elim? i dont think their are any aftermarket cam's out for my car that remain the stock lift ..


Intake Theoretical valve lift @ 0 lash -11.166 mm (0.439 in)

Exhaust Theoretical valve lift @ 0 lash -11.066 mm (0.436 in)

im seeing aftermarket cams with lifts of .492, .470 .480.. bummer man stock elim class is tough :P
Last edited by Tweaker; 09-28-2009 at 12:03 PM.
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