Thread: Weird options
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Old 01-27-2018, 02:56 AM   #50
Bob B.
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Join Date: Aug 2005
Location: Los Angeles
Posts: 1,306
Re: Weird options

Quote:
Originally Posted by chewychevy67 View Post
They are delco alternators. Part number 1117767. The one on the right is new in the gm box. Available between 64 and 69 I think.
Looks like a 20DN, common alternator on 60's era GMC 5500-8500 trucks, but extremely rare on light duty trucks. Saw a few similar Delco's on Caterpillar and other construction equipment.

They used different brackets than the regular Delco 10DN. Probably tough to find for a small or big block Chevy but easy for a GMC V-6!
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.

Last edited by Bob B.; 01-27-2018 at 03:25 AM.
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