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stock ranger re-gear


b_shrew

Member
Joined
Apr 13, 2010
Messages
10
Vehicle Year
1990
Transmission
Manual
Hey there,

Tried searching the archives, but couldn't find an answer specific to my needs.

I have a 1990 Ranger with a 2.3 and 26.4" wheels which can't get out of it's own way. I have two questions for y'all regarding this. The first is a translation of the axle tag I have since its not in the same format as listed in the tech section. It reads as follows:

(first line) S314C
(second line) 3 08 75 0E08

Anything before that first "3" on the second line has been destroyed by the bolt tension. I do know that the axle has a 8.8 style diff cover, and that it has 9" drums. But that is all I know about it.

The second question is what gearing should I go for to give the truck usable power. I don't drive over 65 and am usually driving around 55 on the highways, so speed isn't the prime need of mine. Usable torque, power, and acceleration is. I'm also getting 21.8 MPG currently and would like to not lose too much from that (trying not to lose more than 4 MPG).
 
Your truck has 3.08 gears (I pity you), it needs 4.10s, you will likely gain gas mileage as well.
 
Yeah....go at least 3.73's, if not 4.10's.

Where are you located?
 
I kinda figured they be something ridiculously high like 3.08s. Could you break down the tag translation for me though? I can't figure it out.

What would it typically cost for me to have a shop re-gear my axle to 4.10s?

PS: I'm located in Fort Benning, GA
 
Last edited:
Crap...if you were closer I have a 3.73 axle sitting here.

But, when swapping gearing....just swap the whole axle. It's easier, and usually less expensive.

good Gears for a 7.5 run about $240, a master install kit is $100, and the time and frustration is more.....if a shop did the labor it'd be close to what you'd pay for the parts. See what I'm saying? You could probably buy a 3.73 or 4.10 rear for about $200.....cheaper if you're lucky.
 
get 3.73's for that... that is unless you plan on going slightly bigger in tire size
 

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