odd question on rally gauges for 84 cutlass

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Drkuhar

G-Body Guru
Sep 27, 2018
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Girard, IL
My cutlass was originally a 3.8 6 cylinder car. long sweep speedometer. all factory ecm and under hood wiring not absolutely needed was gutted except for headlights, starter, and alternator many years ago. could i change out to the factory rally guages and run my own wiring out to tach, oil/water/sending units and not sure how voltage guage would hook up.
I think the speedometer cable would be plug and play but dont know for sure. Has anybody tried this to make a rally gauge set work and be accurate. new sending units from the parts store and some wiring shouldnt be to hard unles the car requires the ecm to work.
I dont have an engine in the car yet but am just thinking ahead if this would be possible.
thanks
 

O. D. Showtime

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Feb 6, 2009
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Drkuhar

G-Body Guru
Sep 27, 2018
507
896
93
Girard, IL
That is awesome. it doesnt look like it goes through the ecm so I can start tracking down whats needed to do this swap in the spring. Thank You
 

Drkuhar

G-Body Guru
Sep 27, 2018
507
896
93
Girard, IL
I have a 350 Chevy to put in mine but I was looking at running wires from sending units to gauges directly since all factory wiring was cut out. But after pricing some of those clusters I might just leave it alone and add gauges. I had a rally cluster with it when I sold the car 18 years ago but the kid that had it pitched it
 
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