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-   -   Valve size ? (https://classracer.com/classforum/showthread.php?t=23063)

hemidup 01-12-2010 08:09 PM
Valve size ?
 
In Stock class, could I use a smaller face diameter intake valve than what came with the stock head?

Chuck Norton 01-12-2010 09:25 PM
Re: Valve size ?
 
Valve diameter tolerance: +.005 or -.015 from NHRA Specs.

Glenn Briglio 01-12-2010 09:26 PM
Re: Valve size ?
 
You might want to look on NHRA website for the rules in your class.

Chris "drooze" Wertman 01-12-2010 11:21 PM
Re: Valve size ?
 
No playing with flow velocity :)

2.10 -.015 = 2.085 :D BBBBBZZZZZTTTT.....lol...

Sorry 4+ Hrs on the road and a vicoding now for my hip and knee....along with 120oz of soda makes me punchier than usual.

Quote:
Originally Posted by Chuck Norton (Post 162591)
Valve diameter tolerance: +.005 or -.015 from NHRA Specs.

hemidup 01-12-2010 11:33 PM
Re: Valve size ?
 
Quote:
Originally Posted by drooze (Post 162620)
no playing with flow velocity :)

2.10 -.015 = 2.085 :d bbbbbzzzzztttt.....lol...

Sorry 4+ hrs on the road and a vicoding now for my hip and knee....along with 120oz of soda makes me punchier than usual.
lol.


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