Re: roller rockers
Quote:
Originally Posted by Myron Piatek
IHRA only allows readily available and unmodified aftermarket intakes and certain unmodified Holley carbs with choke plates on approved Crate Motor combinations. Not all factory crate engines have intakes and most, if not all, don't have carbs. Aside from that, they have blueprint specs to follow just like "regular" Stockers.
The new factory race cars are a totally different situation, which, ironically, are even further from "Stock" than any IHRA Crate Motor combo!
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Also, the "regular" IHRA Stockers (non-crate) follow the same rules as the NHRA Stockers with the exception of the 10" tire. They have allowed roller rockers for several years. Jim
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Jim Wahl....NHRA #2239 S/SS - IHRA # 8 Stock, D2 Stock Champion (forever I guess)
2019 Baby Gators Stock Champion
2009 D2 National Open Stock Champion
1981 D2 West Palm Beach LDRS SS Runner Up
Past President, Southern Stock / Super Stock Association. 
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