07-23-2018, 04:28 PM
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#5
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VIP Member
Join Date: Oct 2008
Posts: 2,128
Likes: 1,084
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Re: IHRA HP Ratings
They use many of the NHRA ratings.
Here is the link from last year of their changes.
http://ihra.com/competition/competio...t/category/208
This is the main site
http://ihra.com/competition/competion-main
Dan
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