A data point:
I have a pre-2001 Smiths tach with positive-ground Pertronix ignition on my
BJ8. I calibrated the tach against a Craftsmen dwell/tach, and double-checked
RPM and MPH with my 3.54 rearend and 185/70R15 tires. The tach is absolutely
dead-nuts on and rock solid at all engine speeds (I did have to reverse the
inductive pickup loop on the back, not surprisingly).
I've often wished I could get an electronic speedometer.
Bob
--------------------------------
Bob Spidell - San Jose, CA
----- Original Message -----
From: warthodson@aol.com
To: healeys@autox.team.net
Sent: Wednesday, July 27, 2011 8:00:59 AM
Subject: [Healeys] Smiths Tach Conversion
Recently, we have been told by Nisonger that that Smiths electronic tachs may
malfunction when connected to a distributor using a Pertronix ignition.
...
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