Re: After Market dash gauges
I can't be very specific to the GMC V-6 setup but we used to use cable driven tach drive distributors in our circle track racecars. We would just hit the junkyard and find speedometer cables that would be the right length for our needs. I still have one of those distributors so to refresh my memory I screwed it onto the speedometer cable on my '70 GMC and it fit fine, cable size and screw fitting size.
DAC
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Doug Crawford
Rapid City, SD
1970 GMC K5 Jimmy Mom drove 30 years
1972 GMC C2500 owned since 1979
1955 GMC 100 driver-project
2006 GMC Yukon Denali---wife's truck
Hope to have a '60 GMC Suburban again someday
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