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maique

Tach

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hi its me again i have a question is it possible to hook up a new style tach to a 1974 endt engine if so where do you connect the tach so it can get a signal from the engine

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For some reason,a double post,see below.

Edited by RC51

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Yes and no.The 1974 used a cable driven tach.I assume by "new style" you mean electronic.To do that there are 3 possible ways.First,find a 3/4"-16 hole if there is one[doubt it] and screw in the proximity[tach] sensor.Second,get a signal generator and drive it from the mechanical cable drive[those are old school C.O.E. tach drives,and need an instrument calibrated to it,unless you have a programmable tach.Third,use a programmable tach and run it from the "R" terminal on a Delco alternator.Figure pulley drive ratio to get RPM of alternator,multiply by number of poles in alternator gives you pulses per minute,calibrate tach to it.Just use a cable driven one.Al

Edited by RC51

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