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110 mph speedo on 90 iroc?

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Old Mar 15, 2009 | 06:16 AM
  #1  
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Car: 90 iroc z
Engine: 350 needs work
Transmission: 700r4 needs work
110 mph speedo on 90 iroc?

I have a 90 Iroc with a 110 speedo. According to Iroczone all 90 irocs came with 145. Only convertable in Iroc came with 110. Did i get ripped. Milelage on title matches.
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Old Mar 15, 2009 | 09:39 AM
  #2  
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From: Crete, IL 60417
Car: 2004 Chevy Avalanche
Engine: Some that run, some that don't
Transmission: 700R4's, a T-5, and a Turbo 350
Re: 110 mph speedo on 90 iroc?

No, you could definitely get a '90-'92 IROC/Z28 with a 110 MPH cluster. A lot of the 305 TPI cars had them.
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Old Mar 15, 2009 | 01:23 PM
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Car: 90 iroc z
Engine: 350 needs work
Transmission: 700r4 needs work
Re: 110 mph speedo on 90 iroc?

This is a 305 . I thought all 305 had 110. Thanks for the help
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Old Mar 15, 2009 | 01:44 PM
  #4  
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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
Re: 110 mph speedo on 90 iroc?

1987+ 305/M5 cars (LB9/G92) would have had the 145/140 speedo.

John
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