Let me see?? Do you have a scat crank?
The thrust bearing and corresponding crank surface in my Mopar 406 crate motor got ruined because of this. I have put 3 bearings in it since then and will eventually have to replace the crankshaft.
Yes ! You need .100 to .125 "converter pull up".
It seems most of the time you will have too much, like .375, and in that case you can use washers or spacers on the converter pads to keep the snout of the converter engauged in the Transmission pump enough.
Anyhow, I did not find one source for an engine to trans spacer, but you definately need to put one in there. SO.......I ended up making my own out of .065 steel. Thats all I needed to get .125+ I purchased a "Mid plate" (motor mount)and used it as a template and used transfer punches along with pencil tracings from the back of the block to give me the final shape.
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