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1963c-10 · 04-11-2014, 08:56 AM

Anyone any help on the engine mount bolt sizes? I think the engine/mount bolts are 3/8" x 1" coarse and the perch/frame bolts are 7/16" x 1 1/4" coarse. What about the mount to perch center bolt?

04-11-2014, 08:56 AM	#29
1963c-10 Registered User Join Date: Nov 2011 Location: fayetteville nc Posts: 10,338	Re: motor mounts & perches for 348 in a 63 c10- Anyone any help on the engine mount bolt sizes? I think the engine/mount bolts are 3/8" x 1" coarse and the perch/frame bolts are 7/16" x 1 1/4" coarse. What about the mount to perch center bolt? __________________ 1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer