Tach Help
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Tach Help
I bought an electronic tachometer (ametek dixson 700 series)off of ebay. I thought I had connected it correctly to the harness under the dash. I set the tach for 100 hz from the Sender (2 notches in the dampener x 3000 RPM top speed / 60 sec). The tach only reads about 450 RPM at idle. What could cause this inaccurate reading?
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That's another thing... Foot to the floor takes the needle back to zero. I stop when the needle goes 360 degrees because I do not want to ruin the guage. There is no smoke at idle, either.
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