Oil clearances and a surprise

Syleng1 said

Grab a service manual and review the specs on clearances. Start there and not opinions of people.

If you don’t trust your machine shop then find a new machine shop and start over from square one. Don’t trust what you don’t understand. Too much money and time goes into building engines to just “wing it.”

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I would agree on the first part but the OP isn't building an engine to factory specs...

@Small Block Duster what I highly recommend would answer a lot of your questions and fill you in on a lot of details about Mopar engines is to grab one of the Mopar Performance Engine manuals. I have one that covers all the V-8s up to and including the Magnum small blocks as well as the slant-6 and some other oddball ones (3.3/3.8L minivan V-6). My book is part number P5249704 and I got it new only about 6-7 years ago, I believe they are still in print.

Here's a quote from said book on crank bearing clearances from the small-block section: "All Chrysler Corporation engines used for racing should have at least .0015" crankshaft-to-bearing clearance. Crankshaft bearing clearances over .003" are undesirable because of increased engine oil demand."

Based on that I'd think you're fine there, would definitely still check everything over though.