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Discussion Starter · #1 ·
Just a quick question, what is the most common gear ratio for the rear axle of 95-04 Tacomas? I noticed they can have anywhere from 3.15 gears, 3.58, 3.91, 4.10,4.30, and 4.56's? I see that most are dependant upon the tranny and engine configuration but is there a more common type out there? Thanks

Ryan
 

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That's the Beeb's page. Bought an axle from him in Sacto. Good info but talks a lot more about the earlier Toy diff's. Anyone else have some input?Thanks alos Shocker for the link

RYan
 

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Common gear ratios

SAStoy said:
That's the Beeb's page. Bought an axle from him in Sacto. Good info but talks a lot more about the earlier Toy diff's. Anyone else have some input?Thanks alos Shocker for the link

RYan
Ryan here are some comon gear ratios codes:
B03A=4.10
B07A = 4.30
B04A or B=4.556
B05B=4.70
B06A=3.909
B06B=4.875

CHeers,
P
 

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4.10 are the most common, with 4.30 probably being second. V6 extra/double cabs had the 4.10, 4 popper extra cabs have the 4.30. I think the reg cab, 2wd 5 spd come with the 4.56....
 

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SAStoy said:
Just a quick question, what is the most common gear ratio for the rear axle of 95-04 Tacomas? I noticed they can have anywhere from 3.15 gears, 3.58, 3.91, 4.10,4.30, and 4.56's? I see that most are dependant upon the tranny and engine configuration but is there a more common type out there? Thanks

Ryan
v6 trucks have either 3.91 or 4.10s usualy with the manual trannys getting the 3.91s and ATs getting 4.10s.
All v6 TRDs have 4.10s
One exception is some 1st year v6s that came with 225 size tires getting 3.15s.

the 2.7 can come with 3.58 to 4.56 depending, mainly on model year. Most of the earlier trucks came with 225 or 235 size tires, hence the taller ratios of 3.58-4.10. When the factory started shipping them with 265s on a regular basis (rather than having the dealership just add the taller tires to truck that had gears designed for the smaller ones), the gear ratios went to 4.30 for manuals and 4.56 for ATs.

after all that I agree that 4.10s are the most common overall.
 
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