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stock speedo question 140mph

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Old Dec 8, 2007 | 04:24 PM
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87_355ci_Camaro's Avatar
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Car: 86 Iroc-Z
Engine: 310ci soon to be 355ci
Transmission: built 700r4
Axle/Gears: I think 3.08s
stock speedo question 140mph

In 1986 Did the Iroc camaro Come with a 140mph speedo stock???
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Old Dec 8, 2007 | 04:26 PM
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Re: stock speedo question 140mph

Yeah I'm pretty sure they did. 140 is the last number but 145 is the last mark.
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Old Dec 8, 2007 | 04:32 PM
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From: pa
Car: 86 Iroc-Z
Engine: 310ci soon to be 355ci
Transmission: built 700r4
Axle/Gears: I think 3.08s
Re: stock speedo question 140mph

alright cause my iroc has a 145mph speedo but my friends has a 85mph and his is an iroc
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Old Dec 8, 2007 | 04:55 PM
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Re: stock speedo question 140mph

I think they came either way. I think the 85 Iroc's had both then they went to 145 in later ones. Most Irocs have 145's
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Old Dec 8, 2007 | 06:32 PM
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Re: stock speedo question 140mph

They switched to the 145 speedo midyear '86. I think that was only for tpi cars though.
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Old Dec 9, 2007 | 07:29 AM
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Car: 89 Iroc Convertible
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.27 Posi 9 bolt PBR
Re: stock speedo question 140mph

1985 cars had the 85 mph.In 86 the later cars had the 145 mph but only if you had the tpi.Ive seen earlier 86 tpi irocs with the 85 mph.I believe it was stock up till 1988 when they went with a 115 mph for at least the 305 tpi.My 86 tpi iroc has a 145 but my 89 tpi iroc vert had a 115
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Old Dec 9, 2007 | 10:41 AM
  #7  
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From: pa
Car: 86 Iroc-Z
Engine: 310ci soon to be 355ci
Transmission: built 700r4
Axle/Gears: I think 3.08s
Re: stock speedo question 140mph

ok thanks guys. now for my other Q, You know the black looking clip on the hatch? When you put it down it connected to a circuit looking clip does this power the third brake light??? If so how can i tell its bad? My third light isnt working.
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Old Dec 9, 2007 | 10:44 AM
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Car: basic third gens
Engine: that I like
Transmission: to restore
Axle/Gears: and enjoy
Re: stock speedo question 140mph

Yes, the third brake light. Try cleaning the contacts with some light-grit sandpaper.
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Old Dec 9, 2007 | 11:46 AM
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Re: stock speedo question 140mph

You know this is what I really love about this site. Not only can you find help with your problems, but you can learn sooooo much from others.
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