magnum 360/ A-833 4 speed combo. Not fitting together.

Bratpack said

I am having trouble getting my 4 speed tranny to bolt to my new magnum 360 crate motor. I seem to remember reading that you may need to cut the input shaft shorter on the tranny to fit magnum motors because the depth is shallower on magnum then on LA engines. Has anyone out there done this combo or can confirm my problem?

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I have done this swap.
All you need is the crank bushing from an '89 Dakota, with a V-6 5 speed (generic application) and it'll bolt up fine, NO CUTTING OF THE INPUT SHOULD BE NECESSARY, but your situation may be different, as you're dealing with Mopar "Performance".
I installed a '73 833 behind a PRODUCTION '93 360 Magnum last year, using a '90 D-150 V-6 bellhousing, and it all basically bolted right together.
Of course, I had to find the right bearing retainer to mate the 2, but it wasn't so bad.

Mark.