I have a 1979 scotsdale w/factory tach, tach is reading way over what it should .info i got was that it was the tach filter(not available) any ideas on locating one. Thanx kevin L
Try this might help Did you try one of the places that rebuild or refinnishes gauges . http://www.american-classic.com/begin.html http://www.musclecartachs.com/docs/references.htm http://www.tachman.com/ There is three site to look at