Re: Transmision and Rear End Fluid question.
Back in the 50,s,when useing an A as a daily driver, I used 140 gear lube for trans in summer & 90 oil in winter.I used 90 lube in rear end all year round.At -20* or more,the 140 would be so stiff it was easy to stall the engine & hard to change gears.
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