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I believe it is a Mopar Performance block. Because the rotating assembly is a 440, the torque converter was ordered to reflect that.



There's your issue...

A one-piece shim is only going to move the starter body out away from the flywheel...


If you know for certain that the alignment at the block is true, I'd next go for a measurement to see what kind of depth you need for proper engagement at the ring gear...

Might be tricky...


(Give Wes a call at Mancini Racing...

He's been around MP for a while...

Run yer issue by him and see if he's heard anything)...