· Premium Member
Not real familiar with the old transmissions, but I think they will swap all the way into the early 50s, those behind the flathead engines should have remained the same. At the same time, if you took the transmission to a shop and they could discover what the actual problem is, it may then be cheaper to simply do something like replace a gear, where lots of places will do a small teardown fee to be applied to the repair, but at least give you an idea of the actual problem. Only happens in first gear? Is the clunk shifting into first, or first taking off?