Shifting problem with 833

Duster Bud said
The guy (age 30) did a fair job on the transplant...I have done a lot of correcting and fixing. He said he only put 75 mile on the rebuilt eng. The car had a 340 before the new 440 and was a 318 when mfg. Gold Duster with the snake skin roof I think.
I have changed the tranny fluid to LUCAS Synthedic Oil...The clear stuff. Plan on another test drive to see if it helped.
I think you could have a good idea why it is shifting poorly...I just have to keep checking and fixing stuff until I'm happy with the way it runs,drives and shifts.

Thanks for the help! Bud

I don't know the specifics on the Lucas oil you are using but A833's don't like syntetic gear lube. It's too slippery and the synchros just can't speed up / slow down the gears fast enough to prevent gear crunch. If it's a synthetic manual tranny fluid that has the proper friction modifiers in it you should be good to go.