Thread: What jets should i run? proform 750.

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i dont know what a proform carb is but iv`e sung the praises of a straight out of the box 750 holley many times .. are you driving this on the street ? ..tech should give you some HP #$ soon .. run what`s in the carb and tune later as you read plugs and see how it performs

Back in my youth (early days of the internal combustion hot rod) I would take the car out & run it up to 7g or so, if it didn't hit on all 8 all the way there, I would go back to the garage & drop in the next size bigger jets. Repeated the process until it sounded right. Lookin' back that could have been a receipt for burned pistons but it worked at the time.

I'd go the other way when the plugs looked black.