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  1. nwsisu

    Help with Torque converter identification

    Hey, does anybody happen to know the specific specs/features on the 4640LSHDRV TQ for the 4L80E, by Precision of New Hampton? I assume LS means low stall, maybe -400? HD would mean beefed-up, but no idea how. And RV obviusly a towing spec, but again, no idea what specifically. Any help very much...
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