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Tech Question
Kevin Davis, Waterloo, IA, 1980 Dodge Mirada 360
I have a simple question. Can a 2.74 low gear set for a 727 be adapted to a 518? Nobody around here seems to have a clue. Everyone around here seems to be fascinated with the TH 700R4 (GMbomb) or the Ford AOD. I want something that can survive being behind a Mopar.
Kevin, as a drop-in, no. However, the aftermarket sells modified planetaries that do exactly this. While A-OK for a drag car, I'd be inclined to say that ther durability isn't up to stock parts.
The nice thing about a stock A-518, however, is the abilty to use stock 727 converters (2.2:1 stall ratio), and, of course, that overdrive. This means that 4.10 axle gears become 2.85 at the flip of a switch. Point being, I'm not really sure that you even want a lower fist gear. I drove exactly this combo every day for 6 years and it was awesome.
Rick
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