Last week I was working on my 66 GMC with a 305 V6. I was rebuilding the motor with a kit purchased through NAPA. I had miked the crank and checked the bore to find the motor was still stock. I ordered a re-main kit for it and slapped it all together but the crank was super tight after rebuild. Back to the shop I went this weekend and I pulled the main bearings back out. Sure enough- .010 under sized main bearings. Doggone it! Everything else was right, just not the main bearings. Lesson learned- Check all parts before installing. Don't trust your trusty parts man. #15 Michael Waltrip lied- "The right parts at the right price" I don't think so! LOL Anyway, thanks to all of you who replied with help over the past week.

1965 Chevy C-10 Longbed Stepside
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