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I would do stock tolerance with ARP hardware and leave it as factory as you can. Ask the machine shop their preferences, but larger bearing clearances waste power and for your application are not needed IMO.
You are running a very fine line between a stock cleanup/rebuild, and F-it, 355ci H/C build. Don't try for both here.
I spun my SBE well past 6500 for a couple years and never had an oil pressure issue. One day I will pull it apart and check bearings for how bad they were.
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Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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