Re: 1948 288 cu in. Transmission and overdrive oil

Posted by JWL on 2021/12/7 12:50:20
Many of us have had totally satisfactory results with 85W-140 GL-1 gear oil. Correct level is when the oil is at the hole about mid-way up on the transmission and overdrive cases. The holes have a ⅜" NPT plug with a square head, like the drain plugs.

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