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Which instrument cluster sending units do I need?

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Which instrument cluster sending units do I need?

Old 12-02-2018, 09:53 AM
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Join Date: Nov 2018
Location: Connecticut
Posts: 14
Car: 1985 Chevy Camaro Sport Coupe
Engine: 305 V8
Transmission: Automatic
Axle/Gears: Stock
Which instrument cluster sending units do I need?

Okay I Know there has been a million questions about this but I'm still confused. My 85 has the 85mph speedo with the dummy lights and giant gas gauge, and I want to swap it with an 1988 one with a tach (110mph). I know the oil pressure sensors and water temp sensors are different, and was wondering if anyone knows which ones I need to replace the old ones with. There are like 4 different types, and I don't know which ones I need. My car is a 1985 Sport coupe with v8 305 and Vin number letter "G" if that helps. Any help is appreciated
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Old 01-16-2019, 04:48 PM
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Join Date: Dec 2016
Posts: 8
Car: T/A
Engine: v8
Re: Which instrument cluster sending units do I need?

your '85 might have a cable driven speedo, the '88 will probably have an electronic speedometer.
The difference is obvious to see: the mechanical speed has a thick cable coming out of it.
Apart from that there's a few minor differences as well.

I didn't even know you could get a v8 with the base instrument cluster.
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Old 01-16-2019, 06:42 PM
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Join Date: Jan 2009
Location: belle fourche,s.d.
Posts: 1,745
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: Which instrument cluster sending units do I need?

Camaro speedos were cable drive up through '89(firebirds switched in '86-except base cluster stayed cable for a couple more years) IIRC,there is some changes in cluster plug pinouts between '82-86 and '87-89 Camaro clusters.82-85 sport coupe v8 should use gauge senders suitable for the cluster swap-later oil sender will have oil pressure switch built in for electric fuel pump control.
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