Any 3 3/4" dia tach can be used. I have used 78-86 Camaro and Sun Super II tachs.
To wire a tach, (-)black to back of dash (screw)for ground, (+)red to ignition switch-on, or to fuse panel unfused (use a inline 10amp fuse), green to coil or HEI (tach).
The Camaro tach fits nicely into the dash metal case, the Sun requires alot more work.
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72 Cheyenne Super, Fleetside, Shortbed,
Original Owner
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72 Cheyenne Super, Fleetside, Shortbed,
Original Owner, Special Ordered
350ci/340hp, Auto Trans, 3:70 Posi, Tow Package
Northern Calif
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