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Front diff swap/regear

Alright. Thats pretty on par with my expectations. Too bad no one will do it. My area sucks. Sema boys and 1990 style “donks”.
 
msnyder1112 said:
From what I’m reading thats just yukons budget gear. Looks like I’d opt for motive or nitro in true 3.92.

4.11s arent out of scope. Just depends on front diff options.
Click to expand...
If paying the money for a re-gear and not the simple swap ( differential/rear end ) I'd definitely look into the 4.11 gears. 3.92 are good, but to spend that much money
 
if you want 3.92 you can probably find a wrecked truck from the junkyard and get the front diff, instead of regearing?
IFS fronts are no fun and that's why we don't do it in our shop. Solid front are much easier to do and quick turnaround time.

it's not the simple "no one wants to make money." To highlight the complexity, here's a quick Google answer:
1758063833482.png
So no, it's not something as easy that you can do yourself and at home, nor it is something a regular Jeep shop that can/ have the tools to do.

Even when I had my Toyota 4Runner regeared half a year before I got the truck, I paid $1600 to get it done in SoCal. It was done in 3 hours, because the shop simply swapped the front diff with the diff that they pre-built with the gearing I wanted. Without pre-built diff, it would take more than a day to do the IFS gear swap.

And that's why shops don't want to do it: doing IFS regear means leaving a truck on the lift for more than a day, which translates to one lift down and not making money (opportunity cost). Then there's also the investments in tools that are not commonly used, which also means money spent with long (if ever) time to return the investment. Also it takes experienced techs to do the job, and techs familiar with IFS can be hard to find (and probably cost more to hire).

Sure, you're willing to pay. But are you willing to pay the costs of all that? The shop only quote you for the shop hours needed and usually cover fraction of the costs for initial investment to each job, and not piling up the cost of investment into one odd job. That's why when we take on jobs that require leaving a vehicle on a lift for more than a day, it will be a big job and the bill will be huge and not uncommon to see more than $5000 before adding parts.

And that's why I always explain to my customers when they ask me about ordering their trucks on which gearing to go with: get the highest offered so you don't have to go through this. Buy the right truck, with the highest gear ratio, even if you don't need it in the beginning. Because later on, you WILL need/ want higher ratio
 
boogielander said:
if you want 3.92 you can probably find a wrecked truck from the junkyard and get the front diff, instead of regearing?
IFS fronts are no fun and that's why we don't do it in our shop. Solid front are much easier to do and quick turnaround time.

it's not the simple "no one wants to make money." To highlight the complexity, here's a quick Google answer:
View attachment 205823
So no, it's not something as easy that you can do yourself and at home, nor it is something a regular Jeep shop that can/ have the tools to do.

Even when I had my Toyota 4Runner regeared half a year before I got the truck, I paid $1600 to get it done in SoCal. It was done in 3 hours, because the shop simply swapped the front diff with the diff that they pre-built with the gearing I wanted. Without pre-built diff, it would take more than a day to do the IFS gear swap.

And that's why shops don't want to do it: doing IFS regear means leaving a truck on the lift for more than a day, which translates to one lift down and not making money (opportunity cost). Then there's also the investments in tools that are not commonly used, which also means money spent with long (if ever) time to return the investment. Also it takes experienced techs to do the job, and techs familiar with IFS can be hard to find (and probably cost more to hire).

Sure, you're willing to pay. But are you willing to pay the costs of all that? The shop only quote you for the shop hours needed and usually cover fraction of the costs for initial investment to each job, and not piling up the cost of investment into one odd job. That's why when we take on jobs that require leaving a vehicle on a lift for more than a day, it will be a big job and the bill will be huge and not uncommon to see more than $5000 before adding parts.

And that's why I always explain to my customers when they ask me about ordering their trucks on which gearing to go with: get the highest offered so you don't have to go through this. Buy the right truck, with the highest gear ratio, even if you don't need it in the beginning. Because later on, you WILL need/ want higher ratio
Click to expand...
My approach this entire time has been to remove my front 3.21 diff and put in a 3.92 diff, then regear the rear diff.
I couldnt imagine removing the front and installing a new one would be that time consuming. Regearing the rear, is a different story as I have zero clue about what goes on there.

I’ve never asked to regear the front because I didnt think it was possible.

Tbh, I didn’t know jack about axle ratios when I bought my truck 6-7 years ago, but my truck still has lots of life left in it so buying a new one isn’t attractive to me, especially at the prices they are now.
 
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