Thread: IHRA vs NHRA tech: cannot find IHRA Stock car classification
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Old 02-18-2009, 09:22 AM   #2
Duane Eiskant
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Cool Re: IHRA vs NHRA tech: cannot find IHRA Stock car classification
Alan, they use the NHRA guide, there are some factored horsepower ratings that different from NHRA. Duane
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