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Will 145mph speedo out of firebird work in 86 IROC????

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Old Dec 19, 2001 | 11:01 AM
  #1  
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From: N/a
Car: 1986 IROCZ
Engine: LB9....rebuilding coming soon
Transmission: rebuilt 700R4
Will 145mph speedo out of firebird work in 86 IROC????

There is one at my local yard I remeber seeing bout a month ago,will they interchange,I don't remember what year firebird it was though
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Old Dec 19, 2001 | 11:15 AM
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From: Rowlett, TX
Car: 1988 GTA
Engine: 5.0 TPI
Transmission: T5
Axle/Gears: 9 Bolt, 3.45
No, for 2 reasons. First, camaro and firebird gauge clusters are completely different, the speedo will not fit. Second, your 86 has a cable driven speedo, whereas firebirds went to electric in 86. You could not get a cable driven speedo in a firebird that went above 85mph, so if you found a 140 speedo, it must be electronic. FYI: camaro's did not go to electric speedos until 91, when the entire gauge cluster was changed.
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Old Dec 19, 2001 | 11:42 AM
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
Actually the Camaro dash changed in 90, not 91. Just splitting hairs.
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Old Dec 19, 2001 | 01:45 PM
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From: Rowlett, TX
Car: 1988 GTA
Engine: 5.0 TPI
Transmission: T5
Axle/Gears: 9 Bolt, 3.45
bah... Hey I was suprprisingly close for someone who owns a firebird...
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Old Dec 19, 2001 | 02:47 PM
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
Everything stated above is correct the firebird speedo probably would not work in a camaro. It MIGHT be possible to do a little research at the library figure out what you need & install the 140 speedo & the speed sensor into your 'maro. Its NOT impossible, but definately a challenge...

For sure you will need the speed sensor (from trans) Wires & the speedometer, then you will have to figure out a way to mount the speedo. Chances are you would need to at least make a custom made speedo face plate. Get some .060 plex for that, you would also have to make some sort of brackets & such inside your Instrument Panel (IP). There is a possibility that the Speedometer stuff might not actually fit into your IP. because of clearances.

Keep in mind this is all theory, & it might be possible if you do a little research & tinkering. I have NOT done this, but could see how it might work.

There is also a possibility that you would need the matching gear inside the trans, for the electronic sender unit.

Then again, it might be a bust & you waste $70 or so bucks on the firebird IP. Which you could sell on E-bay if in good condition.. .

If it worked out you could write a tech article how-to I imagine there would be several guys who would be interested in converting over their mechanical speedos to electronic.

John
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Old Dec 19, 2001 | 06:01 PM
  #6  
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From: green bay
i am selling one....you got mail
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Old Dec 19, 2001 | 06:54 PM
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From: CT
Car: 85 Trans Am WS6
Engine: 305HO L69
Transmission: T5
just cough up like 50-100 bucks and get a 145mph iroc cluster. takes about 10 minutes to install
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Old Dec 20, 2001 | 07:59 AM
  #8  
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
But what kind of fun is that????


{mumbling to himself} just buy one made for your car and it will take only a couple of minuetes....



Just kidding....



John
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Old May 26, 2004 | 01:34 PM
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From: Deer Park, Texas
Originally posted by toosloz
i am selling one....you got mail
Excuse me, are you selling a firebird 140 spedometer? If so, I am interested.
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Old May 26, 2004 | 01:37 PM
  #10  
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Car: 85 Trans Am WS6
Engine: 305HO L69
Transmission: T5
omg back from the dead, this post is like 3 years old
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Old May 26, 2004 | 02:26 PM
  #11  
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From: Deer Park, Texas
Originally posted by Diabolical
omg back from the dead, this post is like 3 years old
OOPS! Sorry about that! I did a search for 'firebird 140 speedometer' and this is what came up. I kinda need one since my odometer broke.
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Old May 27, 2004 | 08:10 AM
  #12  
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
IF you just want the Odometer, ANY Firebird with the electronic Speedo from 1986-1992 will work, you can disassemble them and put it in. Just reset the new odometer to the correct mialage for your car.

John
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Old May 27, 2004 | 09:28 AM
  #13  
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From: Deer Park, Texas
Originally posted by okfoz
IF you just want the Odometer, ANY Firebird with the electronic Speedo from 1986-1992 will work, you can disassemble them and put it in. Just reset the new odometer to the correct mialage for your car.

John
Thanks for the info, I appreciate it.
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