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Re: Does the Tach in a 1980 require a filter?
I didn't think I remember seeing any filter on a 79' - 87' Tach, but I just wanted to be sure.
So on the 73' to 78' Tach clusters a Filter IS Required???
And if you don't use one, will it wreck the tach? The reason why I ask is I have a quite a few Tach clusters I was going to check but I want to know ahead of time if I need to test them using a filter. Accually one of the clusters I've had stored forever I think is a NOS 77' Tach cluster, if not it must be a reman. or something because it looks brand new.
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1980 GMC C25 Sierra Classic with 20,000 ORIGINAL MILES (32,000Km's) & Matching numbers
1977 GMC C35 Sierra Classic Crew Cab 454 A/C with 21,000 Miles & Matching numbers
1980 Chevrolet Silverado K20 400 4spd 4X4 74,000km's
1980 GMC C25 Sierra Classic CREW CAB, All Options, with 49,000 Miles
1979 GMC C15 Sierra Classic 454
1989 GMC R3500 CREW CAB
2003 Grand Prix GTP
1998 Regal GS
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