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Old 03-30-2010, 04:24 AM
KenC KenC is offline
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Join Date: May 2009
Cobra Make, Engine: Lone Star Classics 351W bored/stroked to 393ci
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Its a voltage driven tach as far as I can tell. One set of MSD documentation says er to use 8920 and newer says use nothing. MSD not a lot of help, nor is VDO. Possibly I have fixed orginal problem and now just need to calibrate tach with another source.
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