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i've got a 70 340 w/ a rpm air gap and a 750 edelbrock carb just want to know what jet sizes other small block owners are use to get me in the ball park to getting it tuned right.

i am looking to get eddy's 340 head 60179 for my 1970 340, and i know that they say you need adjustable rocker arms. So i am wondering if the proform ones work or what works if those don't. eddy guys told me to buy the indy ones and there web site says like 1500 for them w/ shafts so i need a...