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Speedometer gears for manual transmissions

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Old 05-18-2000, 10:07 AM
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Speedometer gears for manual transmissions

There's a big table on the A4 in the FAQ, but nothing for the T5. I've got a list of P/N for driven gears at home if it would help.
Old 05-18-2000, 12:40 PM
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Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Yes, that would help me and Tom Keliher tremendously!! Tom is switching his A4 3.27 9-bolt for a T5, and needs the correct speedo gears for it, and my dad is replacing the rear end in his RS with a 3.27 9-bolt, and needs the speedo gears for his T5 as well. Thanks Ron!

On another note, I just replaced my failing T5 with another, and the speedo gears I pulled out for my 3.42 rear end, is a purple 7 tooth drive gear, and a white 19 tooth driven gear.

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1991 Camaro Z28
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Old 05-18-2000, 05:24 PM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Half of the 700R4 gears in the table appear to be wrong too.
Old 05-18-2000, 07:29 PM
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Ok, here are the drive gears:

14071731 Purple 7 teeth
14053347 Red 9 teeth

Driven gears:

18 Brown 3987918
19 Natural 3987919
20 Blue 3987920
21 Red 3987921
22 Gray 3987922

I believe there is a 17 tooth gear, which would be part no. 3987917, but haven't verified it, nor do I know the gear color.

I also have NO combination info, but if enough people start posting theirs, we can get some together...

Kevin, that DEFINITELY helps (purple/7 and natural/19).. FWIW, I believe that is the EXACT same combo that came out of my V6 tranny when I pulled it (also had 3.42s).

The new tranny I put in (WC T5 from a '91 or '92 RS with the 0.63 5th gear) had a red drive gear (9 teeth)

Anyone else????

[This message has been edited by 84ZZ4 (edited May 18, 2000).]
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