74 2.0L duel carbs
Car runs good, while racing around the neighborhood I noticed my rpm's were low, not getting over 3K. But, sounded/shifting normal.
Was positive at least around 3.5K-4K
Hooked up my dwell/rpm/volt meter and yes, was rpm'ing properly.
But, the tach was not indicating correctly.
Does a tach fail slowly?
Your thoughts.
Thanks!
Anything with electronics in it can get out of spec with age/usage. Resistors break down and their values change, capacitors start leaking, etc.
The tach in the 'BB' is intermittent, but I think my problem is a bad (loose) ground ... the terminals at the coil and at the back of the tach are OK.
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