I have a question since I think you two can answer with experience and knowledge not just a guess. Since it seems the 8.25 27 spline has more options to it instead of our 29 spline. How hard or even possible would it be to put the change the spline out and drop down to the 27?
Originally Posted by Matt_
Just read that over and wanted to clarify a bit... since i think we're both actually on the same page.
My main point was if you're running 32s or smaller on these vehicles and have to pay full price to re-gear ($1500 in my area), the jump from 3.73s to 4.10s really isn't worth the cost. I've done a lot of work in this area and just wanted to point out that the difference between those gears will barely be felt in the butt dyno... so if someone read this thread and then dropped $1500 on a 4.10 gear set, i'd feel bad when they're gravely disappointed in the mediocre results.
But like you said... if 4.10s are all that's available and you can get them installed for a good price, then every little bit helps. From my personal experience, i wouldn't put more than $500 into that change for 32" tire on these vehicles.
.... if 4.30s or 4.56s were available, we wouldn't even be having this discussion
I hear you. The only way I would consider putting 4.10's in is if there is no chance they would ever make any other gears. Cause If I had the choice, id definately go with 4.56's due to future plans.
Im not sure why you would want to do that? What are you trying to buy for your rear axle that you cant find in a 29 spline? A 29 spline 8.25 is going to be a hair stonger then a 27 spline for obvious reasons. They make differential covers and an ARB for the rear. What more do you need?
2007 4.7 Liter XK | Front Modified OME HD Lift | Rear 4" Superlift | JBA UCA's | Rusty's Rear Adjustable Track Bar | Rysty’s Adjustable Upper and Lower Rear Control Arms w/Heim Joints | Mickey Thompson Classic III 17x9 Wheels | 315/70R17 Goodyear Duratracs | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front Electronic Locker | Rear Heat/AC Delete
Honestly im not sure... i haven't done much work with these particular axles.
I can't believe how little aftermarket there is for these things
I recently came in contact with an employee at a [somewhat] local dealer that specializes in aftermarket equipment for jeeps, including gear changes.... i'll have to get a hold of her to see if she knows anything about more gear options for these axles.
Just thinking outside the box since all those gears listed on the site in the OP were for the 27 spline. Just brain storming
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