I believe the GM pilot bearing is a 15x42x13 sealed bearing which is a number 6302. I've seen several numbers such as 6302DU and 6302-2RS and 6302-2NSL. Just be sure it's a sealed type. The stock starter for the adapter plate is Denso 128000-0545. Make sure the starter spacer is still in place on the adapter plate, otherwise the starter won't fit correctly. If it should be missing that spacer is a Cummins part 3934080. That spacer can be found priced at $85 to near double that. The starter is priced all over the board also. From around $100 to over $300. Probably depends on whether it's a genuine Denso unit or a clone.
Well , yeah , it'll be a little nose heavy. I've already built a full frame for it and stretched it 14" so I can position the motor back from the front wheels a little , witch will transfer some weight to the rear.
It's going to be just a drive around car so it doesn't have to take any kind of abuse.
I hadn't noticed anything special about this engine but when I get outside I'll look at that cover. It's a 93 engine out of a 3/4 ton Dodge.
I'll have to be careful , you guys must have a microscope on your computer to look at these pictures.
Anyway , I'll try and post a few pictures of this project along the way.