T5 Swap Speedo gears
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Joined: Nov 2009
Posts: 47
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From: Carson City, NV
Car: 91 TRANS AM GTA WS6
Engine: L98
Transmission: T5 5speed
Axle/Gears: 3.23
T5 Swap Speedo gears
HI Guys, I am getting my T5 ready for my 91 GTA and need to know what speedo gears I need to install. I have a 3.23 rear dif and 245/45 16 tires.
Joined: Jul 2000
Posts: 6,529
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: T5 Swap Speedo gears
One way:
If it was correct, determine the ratio of the 700-R4 gears.
Then choose the closest combination of gears for the T5.
700-R4 with 15 / 43 = 2.86^ ratio
T5 needs 7 / 20 = 2.857 ratio
If it was correct, determine the ratio of the 700-R4 gears.
Then choose the closest combination of gears for the T5.
700-R4 with 15 / 43 = 2.86^ ratio
T5 needs 7 / 20 = 2.857 ratio
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