42RH / A-500 in a Duster with pictures.

Tantibus-74 said

Trailbeast, would it be advisable to convert an A500 to non-LU(lockup)? I have an A999 that I rebuilt with a cheetah stage 2 valvebody and converted to non-LU that I can pull parts from. I'm asking is because I have a 360 that I'm trying to push into 400hp range. Will a lockup handle this?

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I would have to say it depends on your gearing.
With my car by the time it's going into lockup I'm doing already doing 75-80 and I'm lifting off the throttle to get my cruise speed.
My motor is about 350-400 and I don't have any problems with it, and we have to remember these were truck transmissions rated for towing 6,000 pounds on top of the trucks being 1,000 lbs heavier.
I turn OD and lockup both off if I'm getting into it that hard and then switch them back to "auto" mode when I'm done.
I take it the hollow lockup shaft is your concern?