Posted by danderson on December 17, 2012 at 19:34:27 from (70.56.172.71):
Well, finally got my new tractormeter working with my 12 volt alternator. First bought an alternator from Bill at Howard Enterprises which had a tach drive:
I bought a new Tractormeter and cable and hooked it up. Using a dwell meter the tach ran 25% higher RPM than engine was running. The pulley on the alternator was 3.20" diameter so I needed a 4.00" to reduce the alternator RPM buy 25%. I found a Powermaster 182 (4.00")aluminum racing pulley that fit perfectly. After replacing the pulley the tach is about as accurate as one can expect, maybe within 50 RPM's. I have the idle set around 700 RPM and the alternator still puts out over 13.5 volts. Bill at Howard was great to work with and definitely has a great product for those who want to do a 12v alternator conversion yet want to keep the original tach operational.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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