Quote:
Originally Posted by laynlo15
They should both be considered the same, if your replace the stock converter with an aftermarket converter or you replace the stock clutch with an aftermarket clutch assy, then neither are stock and would have to be considered the same mod. It doesn't matter if its a wear item or not. Unless you put the same clutch in from the manufacturer its still an considered after market and not stock just like the converter. Neither should be considered internal, they should be considered aftermarket and not stock they are just links from the flywheel to the transmission.
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Can't say I agree, and neither does the NHRA. An aftermarket high stall converter will make your car quicker and would only be done for that reason. Saying this is the same thing as changing a clutch (which won't make your car any quicker unless your old one was toast) makes no sense to me personally. Furthermore, when I used to run the NHRA Stock class manual cars were allowed to upgrade the clutch, but automatics were not allowed to change to a high stall converter as that is a performance enhancing device.