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**Bob B.** · 02-13-2006, 01:42 AM

I think Classic Industries and all the others sell the same tachs and clusters. I talked to a speedometer shop in my area and he says he can calibrate one to work on a 6 cylinder.

02-13-2006, 01:42 AM	#7
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,306	Re: Factory Tach for a 6 Cyl.? I think Classic Industries and all the others sell the same tachs and clusters. I talked to a speedometer shop in my area and he says he can calibrate one to work on a 6 cylinder. __________________ 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.