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Another speedo swap or is this original?

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Old Dec 15, 2011 | 04:03 PM
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Another speedo swap or is this original?

1986 IROC with 9,500 miles on it going for premium dollar on ebay.

http://cgi.ebay.com/ebaymotors/1986-...item2eb9f71fd8

Nice car. One tiny little problem though could be the speedometer. The '86s didn't have 145 speedos did they? I thought they had single pointer 85 MPH speedometer units, and that the first 145 MPH units appeared in the 1987 350 cars.

FWIW, the silver '85 with the 1984 and earlier double pointer speedometer I noticed about a year ago is for sale on ebay again, being touted with 50,000 original miles. No Carfax history to confirm or refute that.
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Old Dec 15, 2011 | 04:25 PM
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Re: Another speedo swap or is this original?

Originally Posted by Slater126
One tiny little problem though could be the speedometer. The '86s didn't have 145 speedos did they? I thought they had single pointer 85 MPH speedometer units, and that the first 145 MPH units appeared in the 1987 350 cars.
IIRC, 84 was the final year for the double pointer and 86 was the first year for the 145.

JamesC
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Old Dec 15, 2011 | 04:27 PM
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Car: 1985 IROC
Engine: 305 TPI
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Re: Another speedo swap or is this original?

It looks as nice as mine. I thought the 145 speedo was offered on the 86, my 85 has the 85 mph version.

The engine is as clean as mine. I would want to see pic of it underneath.

I will say that cars with this mileage suffer from seals drying out. Mine does or it may be the texas heat that has played a part. His red interior is the same shape as my black, its mint.

That Silver one looks odd in many ways. I dont believe the 50K statement on that.


The leather on the steering wheel is twisted as hell for bing a 50K car



Originally Posted by Slater126
1986 IROC with 9,500 miles on it going for premium dollar on ebay.

http://cgi.ebay.com/ebaymotors/1986-...item2eb9f71fd8

Nice car. One tiny little problem though could be the speedometer. The '86s didn't have 145 speedos did they? I thought they had single pointer 85 MPH speedometer units, and that the first 145 MPH units appeared in the 1987 350 cars.

FWIW, the silver '85 with the 1984 and earlier double pointer speedometer I noticed about a year ago is for sale on ebay again, being touted with 50,000 original miles. No Carfax history to confirm or refute that.

Last edited by cerberus; Dec 15, 2011 at 04:30 PM.
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Old Dec 15, 2011 | 05:18 PM
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Re: Another speedo swap or is this original?

Originally Posted by cerberus
It looks as nice as mine. I thought the 145 speedo was offered on the 86, my 85 has the 85 mph version.

The engine is as clean as mine. I would want to see pic of it underneath.

I will say that cars with this mileage suffer from seals drying out. Mine does or it may be the texas heat that has played a part. His red interior is the same shape as my black, its mint.

That Silver one looks odd in many ways. I dont believe the 50K statement on that.


The leather on the steering wheel is twisted as hell for bing a 50K car
Yea, I had a thread on that one about a year and a half ago. It was suspect back then, and hasn't grown any less suspicious, LOL! Reviewing that old thread, some seem to think the 145 MPH unit started appearing in late 1986 MY, so the first car could be totally legit.
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Old Dec 15, 2011 | 06:45 PM
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Re: Another speedo swap or is this original?

https://www.thirdgen.org/1986-chevy-camaro

Late in the 1986 model year, the 85mph speedometer in the Z28 and IROC-Z
were replaced with a new 145 mph unit.
It's been written that way since 1996...
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Old Dec 15, 2011 | 06:54 PM
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Car: 88 IROC
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Re: Another speedo swap or is this original?

That is an actual low mileage car. The car is super clean.
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Old Dec 15, 2011 | 11:47 PM
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Car: 1985 IROC
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Re: Another speedo swap or is this original?

Originally Posted by Drew
https://www.thirdgen.org/1986-chevy-camaro



It's been written that way since 1996...

I wish mine had one on it becausemy tollway blast do exceed the the 85mph at certain times

Originally Posted by burnout88
That is an actual low mileage car. The car is super clean.

Which one and how can you tell?
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Old Dec 16, 2011 | 08:29 PM
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Re: Another speedo swap or is this original?

Originally Posted by Slater126

FWIW, the silver '85 with the 1984 and earlier double pointer speedometer I noticed about a year ago is for sale on ebay again, being touted with 50,000 original miles. No Carfax history to confirm or refute that.
Ha Ha! I just joined this site tonight to ask this very question I had about the speedo in the silver IROC. I had one I bought new and knew that didn't look right. I even questioned the seller but he said it was like that when he got it and has no knowledge of the speedo having been replaced by the previous owner. Could it possibly come with it from the factory? It seems odd that someone would replace the original with an earlier style.
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