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**Bob B.** · 08-04-2018, 02:13 AM

That old 'GMC' script did show up on a lot of parts a lot later than you would think! Years ago I changed out an air brake compressor on an early-80's GMC C-6500. The cast-iron base of the old compressor had to be reinstalled on the new compressor, and it had that GMC script casting mark on the bottom.

08-04-2018, 02:13 AM	#18
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,308	Re: 1960 GMC Napco plow truck. That old 'GMC' script did show up on a lot of parts a lot later than you would think! Years ago I changed out an air brake compressor on an early-80's GMC C-6500. The cast-iron base of the old compressor had to be reinstalled on the new compressor, and it had that GMC script casting mark on the bottom. __________________ 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.