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Old 11-30-2015, 12:04 PM   #1
Grey Ghost
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Join Date: Nov 2015
Location: Iowa
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Default 3sp to 4sp manual

I would like to run a stick in an older stocker combination that was offered with an auto or 3sp manual only. We attended a S/SS event in september and several racers told me NHRA now allows an upgrade to a 4sp for the older cars. Is this true? Can you use a hydraulic throw out bearing also?

I have been out of racing for 20 yrs...things sure have changed!!
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