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Need help identifying 1984 Z/28 Speedometer

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Old May 3, 2015 | 05:09 PM
  #1  
77 TA man's Avatar
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From: The land of mystery
Car: 1977 Trans Am,
Engine: Built 1973 Pontiac 400
Transmission: TH350
Axle/Gears: Stock 3.23 Posi
Need help identifying 1984 Z/28 Speedometer

Hello everybody. Thanks for letting me join and this is my first post btw! Even though my name(and first car...) is from the second gen era, I am intending to get a third gen F-body in the next 12 months when I get the money. Anyway, we have an all original, never touched or modified 1984 Z/28 with a Canadian spec L69 305 HO, He had it unloaded off the trailer(Canada bound, eh?) and bought it new. The
Speedometer is the dual needle type but this one goes to 160MPH. Has anybody seen one of these before? I know the cluster is dusty and speedo is partially blocked by the wheel, but I think it shows enough to see it. I thought the speedometer only went to 85mph?
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https://www.thirdgen.org/forums/hist...28+speedometer
This is all I could find on the matter and it's not even the right speedo. Any help/comments are appreciated! Again, glad to be here!
P.s. Car is BONE STOCK.

Last edited by 77 TA man; May 13, 2015 at 06:22 AM.
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Old May 3, 2015 | 07:31 PM
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8t2 z-chev's Avatar
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: Need help identifying 1984 Z/28 Speedometer

I have seen vintage aftermarket conversions of original 82-84 twin needle speedos that went to 160,but since the other gauges are also metric,might be original Z28-E "export version"instrument cluster.AFAIK,Canada bound early thirdgen z28 did not get the full"z28-E"treatment.Very cool speedo
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Old May 3, 2015 | 08:47 PM
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77 TA man's Avatar
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From: The land of mystery
Car: 1977 Trans Am,
Engine: Built 1973 Pontiac 400
Transmission: TH350
Axle/Gears: Stock 3.23 Posi
Re: Need help identifying 1984 Z/28 Speedometer

Originally Posted by 8t2 z-chev
I have seen vintage aftermarket conversions of original 82-84 twin needle speedos that went to 160,but since the other gauges are also metric,might be original Z28-E "export version"instrument cluster.AFAIK,Canada bound early thirdgen z28 did not get the full"z28-E"treatment.Very cool speedo
How rare do you think this is? If(really when...)I get a third gen Camaro do you think I'll be able to find another original speedometer like this to put in it?
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Old May 3, 2015 | 09:22 PM
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: Need help identifying 1984 Z/28 Speedometer

it is very very rare i'd say-no matter if it is original export version or a vintage conversion from early in the thirdgen era.
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Old May 4, 2015 | 08:21 AM
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From: Louisville, KY
Car: 1983 Z28
Engine: 385 Fastburn
Transmission: T-5
Axle/Gears: BorgWarner 9-bolt posi, 3.27 gears
Re: Need help identifying 1984 Z/28 Speedometer

Originally Posted by 77 TA man
How rare do you think this is? If(really when...)I get a third gen Camaro do you think I'll be able to find another original speedometer like this to put in it?
Those are very VERY rare. I've seen that speedometer twice and NEVER in person. The first one I saw on a thread talking about speedometers on here, somewhere, and the second one is what you just posted.

If you find one, good luck.
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Old May 4, 2015 | 09:12 AM
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Car: 84 Z-28
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Re: Need help identifying 1984 Z/28 Speedometer

That speedo is a KM unit NOT a US 85 MPH unit so I can assume also because
its a Canadian car.

So it showing 160 KM which is aprox. 99.41xx mph (if my math is correct).

GM Canada didn't have the 85 mph speedo reading limit like the US.
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Old May 4, 2015 | 09:31 AM
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Car: 1983 Z28
Engine: 385 Fastburn
Transmission: T-5
Axle/Gears: BorgWarner 9-bolt posi, 3.27 gears
Re: Need help identifying 1984 Z/28 Speedometer

Originally Posted by sonjaab
That speedo is a KM unit NOT a US 85 MPH unit so I can assume also because
its a Canadian car.

So it showing 160 KM which is aprox. 99.41xx mph (if my math is correct).

GM Canada didn't have the 85 mph speedo reading limit like the US.
Incorrect. You can read MPH in white lettering(to match the white numbers) under the 160 and you can read km/h in yellow lettering under the yellow numbers.
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Old May 11, 2015 | 08:48 AM
  #8  
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From: The land of mystery
Car: 1977 Trans Am,
Engine: Built 1973 Pontiac 400
Transmission: TH350
Axle/Gears: Stock 3.23 Posi
Re: Need help identifying 1984 Z/28 Speedometer

A person on a facebook group said it was an aftermarket installation because of its 1,000,000 mile odometer. Maybe dealer installed?
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Old May 11, 2015 | 06:22 PM
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Car: 84 Z28
Engine: 383 Stroker
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Re: Need help identifying 1984 Z/28 Speedometer

Boy, I dont know, Never seen this before. My 84 z is a double pointer but only goes to 85. Pretty sweet! Would not ever ever part with that...... cant believe that more people haven't shared. there are some jedis here.... good luck and dont ever ever sell that unless its to me!!!
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Old May 11, 2015 | 06:39 PM
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Re: Need help identifying 1984 Z/28 Speedometer

Just did some searching with no luck. saw plenty of single pointer ones that went to 160mph but no dual... Starting to think that is pretty rare...
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Old May 11, 2015 | 06:41 PM
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From: Minnesota
Car: 84 Z28
Engine: 383 Stroker
Transmission: 700R4
Axle/Gears: 3.73
Re: Need help identifying 1984 Z/28 Speedometer

look at the water temp gauge and the oil pres gauge??? 400 psi for the oil and 135* for temp?? weird...(edit) temp gauge is in Celsius. wonder what measurement the oil press is in?(edit) it is in bar. 1 bar = 14.50377 pis. that gets it to 22.4 psi which is about right.... right?

Last edited by -=Z28=-; May 11, 2015 at 06:53 PM.
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Old May 11, 2015 | 08:15 PM
  #12  
77 TA man's Avatar
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From: The land of mystery
Car: 1977 Trans Am,
Engine: Built 1973 Pontiac 400
Transmission: TH350
Axle/Gears: Stock 3.23 Posi
Re: Need help identifying 1984 Z/28 Speedometer

Originally Posted by -=Z28=-
Just did some searching with no luck. saw plenty of single pointer ones that went to 160mph but no dual... Starting to think that is pretty rare...
I have stumbled on a couple of mentions of this type of speedo since creating this thread but they're soo vague! Most of the 160MPH speedos I've seen by searching are the 160MPH ones made by "Corvette Clinic" in the mid/late '80s.

Found a link, with a picture of a dual needle 160mph/240kph speedo
https://www.thirdgen.org/forums/hist...what-cars.html

Last edited by 77 TA man; May 11, 2015 at 08:45 PM.
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Old Dec 7, 2021 | 02:40 PM
  #13  
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Re: Need help identifying 1984 Z/28 Speedometer

hello; I have that same speedometer sitting in a box somewhere, i had it in my 84 z28, i found it in a salvage yard in Juarez, Mexico, back in 1996, it was inside a 82 z28 pace car that also had rear disc brakes, paint was all faded no interior was left in it, i was looking for a rear cargo cover when i tan in to this car, of course i immediately pulled it from the dash and took it with me, it was a bolt onand read correctly, u drove that car to the ground ( i was young) at the end i sold it to a salvage yard, NIT before taking the speedometer off the car; I knew back the it was something special...


QUOTE=77 TA man;5911496]Hello everybody. Thanks for letting me join and this is my first post btw! Even though my name(and first car...) is from the second gen era, I am intending to get a third gen F-body in the next 12 months when I get the money. Anyway, we have an all original, never touched or modified 1984 Z/28 with a Canadian spec L69 305 HO, He had it unloaded off the trailer(Canada bound, eh?) and bought it new. The
Speedometer is the dual needle type but this one goes to 160MPH. Has anybody seen one of these before? I know the cluster is dusty and speedo is partially blocked by the wheel, but I think it shows enough to see it. I thought the speedometer only went to 85mph?
Attachment 326503


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Old Sep 18, 2024 | 05:08 PM
  #14  
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From: Northern California
Car: 84' Z28
Engine: L69
Transmission: T5
Axle/Gears: 3.73
Re: Need help identifying 1984 Z/28 Speedometer

I once swapped out the speedo with at 140 mph one in by buddies 84 Z28. (did in 1984) We got the Speedo from Chevy. Wish I still had the part number. You also have to replace the lens. I saw 3rd gen ranch has the listing for the whole cluster if that helps.
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Old Sep 18, 2024 | 06:13 PM
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Re: Need help identifying 1984 Z/28 Speedometer

Originally Posted by bczee
I saw 3rd gen ranch has the listing for the whole cluster if that helps.
Do a little research on 3rd gen ranch before sending him (Denny) a dime, , , , burnt LOTS of people here and is banned from this site......
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