Jeff...Thanks for the reply. I need to get an NHRA rulebook also, but as an Aviation Trained safety officer and accident investigator...Oh yea, Mustang enthusiast, I just always wondered what all the acronyms meant. Who does the testing, how, etc. Hopefully someone else will respond also. BTW, what does TS #4 mean? True Street? Trophy Stock? Thanks again for the reply...later.
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