tach? - Ford Powerstroke Diesel Forum
6.9L IDI Diesels Technical discussion of topics related to vehicles powered by the 6.9 Liter In-Direct Injection Navistar engines.

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Old 12-15-2009, 01:38 PM
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Question tach?

My buddy bought a 1984 6.9 4X4 with a 4 speed, it doesn't have a tach, how hard would it be to put one in it being a diesel?
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Old 12-19-2009, 11:27 AM
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Old 12-19-2009, 02:10 PM
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Does it have a pickup in the injection pump gear cover? If it doesn't I guess you could get a pump cover, sensor and a tach from a truck at the salvage yard and wire it up.
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Old 12-19-2009, 05:44 PM
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^^^ what he said. You may also need the pump gear. I don't know if there is a difference between the non-tach-pickup and the tach-pickup gears. Other than that, I don't see any reason why you couldn't swap some parts from a 7.3l with a tachometer.
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Old 12-31-2009, 11:07 AM
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I have a 85 6.9 it has a tach drive clamped on the alternator. i belive its a autometer aftermarket deal.
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