I've got real similar combo, but talking with continental they said min 3.42 gear otherwise would not have enough driveshaft speed to be locked up. Always slipping and making too much heat driving around town. Did you ever have trans temp issues? What trans cooler?
I've had 3.42 & 3.73 gears with 60 series tires in the past and seemed like just spinning motor and burning more gas. Thanks.
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