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1985GMC

10-28-2014 11:58 AM

TH400 Fluid of choice?

1985 GMC K2500 4WD, VIN M
3L80 TH400 automatic

Dextron II is what ALLDATA says to use for fluid. Anyone have success with other type of transmission fluids? I've had success with Lucas Oil products and was debating using their Trans. Fluid.

Suggestions??

Thanks.

1985GMC

10-28-2014 05:19 PM

Re: TH400 Fluid of choice?

Bump

Shifty One

02-08-2015 08:47 PM

Re: TH400 Fluid of choice?

B & M Trick Shift

gmachinz

02-15-2015 12:46 AM

Re: TH400 Fluid of choice?

Mobil 1 ATF in every auto trans I have.

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