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Taking a cue from the hypermiling hipsters at Ecomodder.com, and of all places, Chrysler Corp, which is introducing a coolant-heated rear axle on their next pickup, I intend to try a transmission heater this winter.http://fcauthority.com/2018/01/2019-ram-1500-boasts-clever-thermal-management-tech-feature-spotlight/ The impact may be difficult to quantify, ecpecially because our cars use ATF, which isn't nearly as thick and sticky as the 80W gear lube in my VW conversion, but if I'm reading this chart of viscosity correctly, ATF is 9 times more resistant to flow at freezing temperature than at 50 C/ 122 F! If I'm really diligent, I'll jack the car up in freezing temps, press the accelerator and measure the amps vs wheelspeed, then do the same after heating the oil... :mrgreen:
Taking a cue from the hypermiling hipsters at Ecomodder.com, and of all places, Chrysler Corp, which is introducing a coolant-heated rear axle on their next pickup, I intend to try a transmission heater this winter.
http://fcauthority.com/2018/01/2019-ram-1500-boasts-clever-thermal-management-tech-feature-spotlight/
The impact may be difficult to quantify, ecpecially because our cars use ATF, which isn't nearly as thick and sticky as the 80W gear lube in my VW conversion, but if I'm reading this chart of viscosity correctly, ATF is 9 times more resistant to flow at freezing temperature than at 50 C/ 122 F!
If I'm really diligent, I'll jack the car up in freezing temps, press the accelerator and measure the amps vs wheelspeed, then do the same after heating the oil... :mrgreen:
