Quote:
Originally Posted by blkjack
75' First year on one A/SM . 10.5 lbs/ci
76' A,B,C. A became C at 10.5, B was 9.5 and A was 8.5.lb/ci
Changed again when modified eliminator was shut down in 1981
Today, there is A thru I/SM in Comp and is entirely different.
However, modified stock is similar to the old SM rules ex.SS/AS is 8.5 with 1 carb.
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If you go back to the very beginning, Rick Voegelin from Car Craft made the original proposal. It was just the one class (for iron wedge heads, 750 carb, 10.5 tire) and was intended to be a stand alone heads up Jr Pro Stock sort of deal. When it actually got accepted by NHRA, it was just a class added to Modified Elim (not a separate eliminator). Fairly quickly after that, it expanded into 3 classes.