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**Bob B.** · 04-03-2022, 07:16 PM

VIN just tells you it's a gas V-6, but not which one. A E-5500 could have a 305 or a 351. Only way to tell for sure is look on the block in front of the right head as in MusicMan70's picture. Engine parts are getting tough to find, but these guys can help:

https://6066gmcclub.com/

04-03-2022, 07:16 PM	#5
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,309	Re: 1969 5500 gmc VIN just tells you it's a gas V-6, but not which one. A E-5500 could have a 305 or a 351. Only way to tell for sure is look on the block in front of the right head as in MusicMan70's picture. Engine parts are getting tough to find, but these guys can help: https://6066gmcclub.com/ __________________ 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.