I went to the local junkyard today and found an 89 Formula with a 140mph speedo and wanted to buy it. The dude wouldn't sell it to me after looking it up in his computer. He says the 85 TA cluster hooks up different than the 89. He also said the 85 hooks up different than any other year. The clusters look the same to me except mine registers 85mph and the other registers 140. What's this guy talking about, anyone know?

 

The 85 is probably mechanical - cable driven while the 89 is an electronic speedo.

 

Here's how to convert to an electric speedo...www.angelfire.com/mt/psh/speedo.htm

Pete


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Pete's Place
HiOutput Tech Page
83 SC
203+k mile LG4/5-speed
14.935@94.14

[This message has been edited by Petes 84Z28 (edited February 02, 2001).]

 

The above replies are right on... 85 received the new styled dash, but in 86 they went to the electric speedo. For that reason the 85 dash is a one year only deal.

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Drew
The lone Thirdgenner of the Apocalypse
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My Website
87 Iroc
91 Formula 14.3@98mph
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98 Grand Am GT