IHRA crate motor ls1
I've been away for awhile. Last time I was considering getn into class racing Top Stock was a heads up IHRA class..... I have an 89 Camaro and pulled up IHRA.com, looked at crate motors and saw ls1 on the list. It says Top Stock.... I assume Top Stock is run with the other classes and has an index. What is the index for Top Stock and or would I be allowed to build an 89 Camaro with a LS1 for IHRA crate motor stock? Any and all help is appreciated.
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