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Cant figure out exactly what gearing i have in my diff, some help would be awesome!

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Old 02-17-2012, 08:15 PM   #1
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Cant figure out exactly what gearing i have in my diff, some help would be awesome!

ok i have a 2001 tacoma TRD prerunner with an electric locking diff. the axle code is B03A. ive been looking around and ive come up with a bunch of different answers...4.10,4.56, 3.55. i have no idea for what the gearing is with the e-locker. lemme get your advice!
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Old 03-11-2012, 01:53 PM   #3
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More then likely 4.10
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Old 03-11-2012, 02:01 PM   #4
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Same as mine B03A. 4:10 gears
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Old 03-12-2012, 06:52 AM   #5
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Me too!
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Old 03-13-2012, 06:43 PM   #7
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There arent any factory e-lockers with 4.56. So you can eliminate that possibility.
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Old 03-13-2012, 07:29 PM   #8
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A = 7.5" ring gear
B = 8" ring gear
Next two digits:
01 = 3:42
02 = 3:58
03 = 4:10
04 = 4:56
05 = 3:15
06 = 3:91
07 = 4.30
Last digit:
A = 2 Pinion, Open
B = 4 Pinion, Open
C = 2 Pinion OEM Limited Slip
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Old 03-14-2012, 10:29 AM   #9
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Looks like I have myself some factory 4.56 gears. Is that a good thing?
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Old 03-14-2012, 11:24 AM   #10
I have a problem for your solution…
Snowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shed
 
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Quote:
Originally Posted by iDrew View Post
Looks like I have myself some factory 4.56 gears. Is that a good thing?
I think most, if not all, 4cyl autos had 4.56. Something to do with the automatic having taller gears than the manual. Something like that. So basically if we had 4.10 or 3.xx whatever we would be revving way to high at highway speeds. But dont quote me. haha
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Old 03-18-2012, 06:19 AM   #11
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Quote:
Originally Posted by Snowman View Post
I think most, if not all, 4cyl autos had 4.56. Something to do with the automatic having taller gears than the manual. Something like that. So basically if we had 4.10 or 3.xx whatever we would be revving way to high at highway speeds. But dont quote me. haha
You would be revving way lower and have no power. 3.73 or so would save you gas but the truck would be a dog.
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Old 03-18-2012, 08:43 AM   #12
I have a problem for your solution…
Snowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shed
 
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Quote:
Originally Posted by isu2014 View Post
You would be revving way lower and have no power. 3.73 or so would save you gas but the truck would be a dog.
I said dont quote me. hahaha
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Old 03-18-2012, 08:52 AM   #13
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Quote:
Originally Posted by Snowman View Post
I said dont quote me. hahaha
Just adding to your driveretain knowledge.
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Old 03-18-2012, 07:04 PM   #14
I have a problem for your solution…
Snowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shedSnowman is one of the sharper tools in the shed
 
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Quote:
Originally Posted by isu2014 View Post
Just adding to your driveretain knowledge.
haha
I knew the reason for the 4cyl autos have 4.56 was something like that.
Ill put it in the brain for later use. haha
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