Does this car still have the factory 389/4 speed hydra matic transmission? If so leave it alone, its one of the best combos going for a big cruiser.. I had that combo in my 64 Bonneville and made the mistake of changing it to a 462/th400.. The car never was fun to drive after that.. Those closed chambered 389s make excellent street motors!
I have a good starter for that car if its a hydro transmission. No mini starters made for that set up besides the stock hydro starter is a rock solid unit..
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