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Tiny Tach not cutting it......
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<blockquote data-quote="Bailey Boat" data-source="post: 500801" data-attributes="member: 9583"><p>2023 Merc 9.9 4 stroke... Installed a TT and the readings were all over the place, I changed the firings as per the instructions, no happy. Called the TECH in IL and he says wrap BOTH plug wires and run it on the 180 setting. Idle looks about right but WOT only shows 3200 rpm which I don't feel is correct. </p><p></p><p>I know there are a dozen or more induction type tach's but which one is going to work right, from <em>your experience</em>?? TT is off my Christmas card list....</p></blockquote><p></p>
[QUOTE="Bailey Boat, post: 500801, member: 9583"] 2023 Merc 9.9 4 stroke... Installed a TT and the readings were all over the place, I changed the firings as per the instructions, no happy. Called the TECH in IL and he says wrap BOTH plug wires and run it on the 180 setting. Idle looks about right but WOT only shows 3200 rpm which I don't feel is correct. I know there are a dozen or more induction type tach's but which one is going to work right, from [I]your experience[/I]?? TT is off my Christmas card list.... [/QUOTE]
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Tiny Tach not cutting it......
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