Speedometer gear cover....2 different hole sizes..
02-26-2004, 11:56 AM
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Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Speedometer gear cover....2 different hole sizes..
I changed the rear end gears in my 89 camaro to 3.90's. I have the right speedo gears however The stock driven gear has a metal shaft and the new one has a plastic shaft. The new one will not go into the speedometer gear cover. The shaft is too thick? Where do I get the correct cover? The trans is a probuilt 700R4.
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Thanks!!
02-27-2004, 09:36 PM
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Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Ok so they call the cover a sleeve. It is a 9 bolt so I have 3.90 gears. The stock piece is a black plastic cover. The speedo is cable driven. I assume probuilt put in a 15/45 combo for the 3.90's. The stock gear had a metal shaft and the new one is plastic. This is the part number I found : 25512339 is this correct????
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