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Need Information About 63 F-85 Auto Transmission


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The Skylark used a version of Dynaflow, and the F85 used a baby Roto-HydraMatic (Slim Jim). The baby Roto is no more troublesome than its grown up counterpart that was used in the full size Olds, it's just hard to find anyone now who knows anything about either and how to set them up properly.

They're sensitive to fluid level and throttle valve rod adjustment. Get those two things right and it should work OK.

Several companies convert later Turbo-HydraMatics for use with 64-earlier Olds V8s. Involves cutting the case down in the torque converter area so it will mate to the Rocket engine. I've heard it's expensive.

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