When I say mismatched, I mean that skipping first, making it a 3 speed & starting in second labors it a bit and wants to lurch if I don't finesse the clutch. An overdrive might be an idea if I go back with the 3:90. Does it require any driveshaft modification? Part of why I did not go with the Patrick's saginaw 4 spd was that with the lwb I have 2 driveshafts and the carrier bearing. I didn't want to hack up the shafts I had and didn't bother trying to locate a donor shaft. That and the fact that the 4 speed conversion was going to run over $1000. I backed out of that idea and sold the 4 spd I had rebuilt. You're right in saying that if it drives O.K. just leave it alone, I wanted to see what others thought about that combination. Thanks.
