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Old 06-21-2006, 10:03 AM   #13
automotivebreath
 
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Join Date: Jun 2006
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Quote:
Originally Posted by Ian
...if this "groove technology" is so amazing, why dont they use it in racing?
What type of racing are you referring to?

I know a several cars with grooved heads running NHRA sportsman categories in division four.

Last edited by automotivebreath; 06-21-2006 at 12:56 PM.
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