- Joined
- May 24, 2004
- Messages
- 2,168
pulled the 5in autometer tach out of my firebird and put it in the buick the other week. The tach works just fine except that its reading lower than the scanmaster says on rpms. I have had this tach for YEARS , do you have to open up the tach and cut a wire so it reads for a 6 instead of a 8? Thanks Daniel