Re: Almost done with restoration but shifting problem, and more.
It sounds like the gear oil weight. Too heavy and it slows down the gears too quickly - which is why when you rev it, it shifts normally. Also, you stated during one run, it shifted better when it warmed up - the oil will thin as it warms up and let it shift easier.
I had a DOGde Dakota that did the same thing. When I changed to a lighter weight oil, it shifted normally.
Gerry
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