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Old 02-13-2006, 01:42 AM   #7
Bob B.
Senior Member
Join Date: Aug 2005
Location: Los Angeles
Posts: 951
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.
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