hard shifting 833

According to my "owners manual" in my '72 Duster ATF is the recommended fluid for most situations in the manual transmission cars. It does add that in hotter climates you can use a lighter gear oil. So it is OK to use either fluid but I prefer the ATF the syncronizers seem to work better slowing down the gear with this fluid. The reason gear oil is not required is because the gear are not a hypoid gear like ring and pinion. Chrysler front wheel drive automatics obviously use ATF and they have a ring and pinion in them. It is OK because the ring and pinion are a regular bevel gear and not a hypoid gear.

Chuck