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Basically a stock motor.
Mopar performance dissy adjustable set at 18 deg.with brown and silver springs.Timing set at 20 deg before. I set it with a vacuume guage and it idles realy good.
Rear carbs are factory 1/8 turned out on the idle screws.
6.5 power valve.
Jets in cenre carb are 63.
Car now pings when i step on it should i up the jet size to 65 what are others running or do i have to do something with the rear carbs.



Do you have the vacuum advance connected ? If so disconnect and try it again .