Changing individual gear ratios? - Toyota Yaris Forums

07-17-2014, 02:13 PM

#14

CrankyOldMan

2ZR swap. DO IT! Ask how!

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Quote:

Originally Posted by Jason@SportsCar

No, looking to build my spare trans with a 3.9fd for faster tracks. With the 4.3 and Kaaz gear set I am on the limiter (7500rpm) in 5th at some tracks.

Gotcha. In that case, you can either get the xD or an 03-08 Corolla/Matrix 5-speed, or buy new:
Ring gear = 41221-17040 or 41221-12470
Pinion shaft = 33321-17020 or 33321-12211

That still leaves you with getting the right 1st gear set to match, so a whole gearbox may be easier to source.

Out of curiosity, what's your 5th gear ratio?

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