I just started assembling a 1956 235 by plasti-gauge measuring the mains.

Bearings 1 (front),2 & 3 measure 1-2 thou clearance, but repeated measurements on #4 (rear) put it 3.5-4 thou.

Initially this seems rather annoying and I'm considering to sandwich some aluminum foil under the bearing inserts... kind of like Mr. Deve:
http://forums.devestechnet.com/foru...p-of-the-week-49-for-sept-4-sept-10-2016

It looks like he only put shims on the cap side since his engine is in his truck... I'm thinking about applying an even thickness on both sides.

Has anyone else tried this?
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'59 Chevy Suburban, NAPCO