I would think replacing the TH350 with a 200r4 (same length case) is a cheaper option to get overdrive than a GV. I replaced my PG with a 200r4 from an 86 monte SS and really love driving the car now. Very little mods required and reused the same driveshaft without changing it.
Last edited by KevinW; 01-06-2013 at 06:58 AM.
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