I've read that less is more when it comes to those readings, if the tach works at 2 tyrna, why risk running it closerI was doing this by myself, so I had to start the engine to measure. I had installed it to 2 turns back from bottomed out in contact, as the TM said. I was reading 0.025VAC, with the engine running. I turned it in to about 5/8 turn backed out, and am now reading 0.260VAC with the engine running. This was a used RPM sensor I bought from Suprman. Any idea if those readings are ok?
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