the idle is pretty radical...along the lines of a 305 magnum from comp.
heads are aftermarket vortecs from racing head service in memphis. they flow a nice bit more than stock and have the correct comp springs and screw in studs/guideplates as delivered. compression is 9.5:1.
it will work fine with an auto. if you use a lock up converter, you will have to experiment with lock up points.
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