Quote:
Originally Posted by tavirace
They allow any rear end that came from the manufacturer. Any transmission that came from the manufacturer and then some. Many aftermarket heads etc.How about any carburetor available or some spec carburetors, 650 on a small block or 750 on a big block. It would really just benefit the slower classes, they could use some help.
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The reason some of these combos are low horsepower are because of a small cfm carb.
The 307 you ran on your Ventura has one of the smallest Rochester 2bbl carbs made. Allowing you to run a different carb would significantly change the hp on that combo. NHRA did "loosen " the carb rules when they allowed you to run a carb with the same venturi and throttle blade size instead of the exact part number. That allowed you to run for example a regular quadrajet on a ram air Pontiac instead of a 2000.00+ carb before you worked on it. Many feel the valve spring rule, roller rockers, solid cams, or even solid rollers in some applications killed the integrity of the class. A spec carb would really throw that over the edge in my opinion. I don’t know why you would need a spec carb unless you.come up a combo where a carb is unobtainable.