Upgrading Rear-end

DrHolliday · June 19th, 2007, 08:03 PM

I want to upgrade my mostly stock rear end before I ship the car back to the east coast and put some slicks on it.

I'm thinking 31 spline Forged Mosers. Just not sure what type of posi to get. Thinking the Detroit true-trac.

What else would I need other then the axels and the differential? Just asking so I can look into ordering all the stuff I need.

01GT · June 20th, 2007, 01:58 AM

Welded axle tubes, and a differential cover with an integrated girdle (TA, FRPP, UPR, just to name a couple)

SWEET2KSTANG · June 20th, 2007, 06:42 AM

most axles come with axle bearings and seals. you will need to go buy inner and outer pinion bearings, diff and gears. if you want welded axle tubes, then you would want to do it at installation. how much power you going to be running? i have a t-lok, alloy axles, and jegs gears.

White99stang · June 20th, 2007, 07:39 AM

33 spline mosers with a spool hehe

ChrisJ · June 20th, 2007, 10:09 AM

I would recommend this being a good time to change the gearing to what you want it to be...

A diff girdle is a suggestion like said above...You can use the stocker but why not go ahead and do all the imporvements at once...

I have 31 spline Strange Axles and a 31 Spline FRPP Diff (Supposedly Carbon Clutches)...It will work fine for me...

If the axles do not come with new bearings I would buy a set and replace them...No matter the mileage...

matrixpuba · June 20th, 2007, 11:59 AM

im running all frpp in mine. 31 spline axles, cobra t-lok(the one with carbon clutches) 3:73 gears, arp main studs and a frpp aluminum girdle with royal purple fluid.

FOR POINT SIX · June 20th, 2007, 02:52 PM

I am running strange 31 spline axles, FRPP 4.10s, and a True-Trac in mine. If I had to do all over I would not use the True-Trac. It makes some noise when you take off from a dead stop. And come to find out this is very common with the True-Trac. But other than that it has been a great.

DrHolliday · June 20th, 2007, 03:20 PM

Well, my end goal is 600-700 rwhp. I know the forged axles and all the bearings, new posi to match the 31 spline.

I think I might keep the 4.10's. With some wide slicks adjustable coil overs and new control arms I should hook up pretty good from a dig.

Only question I have is: What is involved in welding the axle tubes? I've heard about it and have a good idea what it is, but i'm still unsure on what exactly it is.

matrixpuba · June 20th, 2007, 08:19 PM

its when you stitch the tubes to the center section. under a hard launch the tubes can spin in the center section so this stopes it. also welded torque boxes are a must if you plan on running slicks.

June 19th, 2007, 08:03 PM	#1
DrHolliday Enthusiast Join Date: Mar 2007 Location: New Port, NC Posts: 717 iTrader: 0 reviews	Upgrading Rear-end I want to upgrade my mostly stock rear end before I ship the car back to the east coast and put some slicks on it. I'm thinking 31 spline Forged Mosers. Just not sure what type of posi to get. Thinking the Detroit true-trac. What else would I need other then the axels and the differential? Just asking so I can look into ordering all the stuff I need. __________________ Mustangless atm 2006 2500 HD Diesel. Built allison trans and other goodies

June 20th, 2007, 01:58 AM	#2
01GT Regular Join Date: May 2007 Location: NAS Lemoore, CA Posts: 227 iTrader: 0 reviews	Welded axle tubes, and a differential cover with an integrated girdle (TA, FRPP, UPR, just to name a couple) __________________ Don't buy from this guy: 1fstmach1

June 20th, 2007, 06:42 AM	#3
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	most axles come with axle bearings and seals. you will need to go buy inner and outer pinion bearings, diff and gears. if you want welded axle tubes, then you would want to do it at installation. how much power you going to be running? i have a t-lok, alloy axles, and jegs gears. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

June 20th, 2007, 07:39 AM	#4
White99stang MM's nicest mod, :) Join Date: Aug 2005 Location: Apex, NC Posts: 3,771 iTrader: 0 reviews	33 spline mosers with a spool hehe __________________ 06 Dodge MegaCab Diesel 455rwhp/815rwtq REAL TRUCKS DON'T USE SPARK PLUGS

June 20th, 2007, 10:09 AM	#5
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 38,220 Blog Entries: 4 iTrader: 10 reviews	I would recommend this being a good time to change the gearing to what you want it to be... A diff girdle is a suggestion like said above...You can use the stocker but why not go ahead and do all the imporvements at once... I have 31 spline Strange Axles and a 31 Spline FRPP Diff (Supposedly Carbon Clutches)...It will work fine for me... If the axles do not come with new bearings I would buy a set and replace them...No matter the mileage... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

June 20th, 2007, 11:59 AM	#6
matrixpuba Hardcore Enthusiast Join Date: Sep 2006 Location: tennessee Posts: 2,364 iTrader: 0 reviews	im running all frpp in mine. 31 spline axles, cobra t-lok(the one with carbon clutches) 3:73 gears, arp main studs and a frpp aluminum girdle with royal purple fluid. __________________

June 20th, 2007, 02:52 PM	#7
FOR POINT SIX Enthusiast Join Date: Aug 2006 Location: Nashville TN Posts: 679 iTrader: 0 reviews	I am running strange 31 spline axles, FRPP 4.10s, and a True-Trac in mine. If I had to do all over I would not use the True-Trac. It makes some noise when you take off from a dead stop. And come to find out this is very common with the True-Trac. But other than that it has been a great. __________________ http://www.myspace.com/forpointsix My Garage

June 20th, 2007, 03:20 PM	#8
DrHolliday Enthusiast Join Date: Mar 2007 Location: New Port, NC Posts: 717 iTrader: 0 reviews	Well, my end goal is 600-700 rwhp. I know the forged axles and all the bearings, new posi to match the 31 spline. I think I might keep the 4.10's. With some wide slicks adjustable coil overs and new control arms I should hook up pretty good from a dig. Only question I have is: What is involved in welding the axle tubes? I've heard about it and have a good idea what it is, but i'm still unsure on what exactly it is. __________________ Mustangless atm 2006 2500 HD Diesel. Built allison trans and other goodies

June 20th, 2007, 08:19 PM	#9
matrixpuba Hardcore Enthusiast Join Date: Sep 2006 Location: tennessee Posts: 2,364 iTrader: 0 reviews	its when you stitch the tubes to the center section. under a hard launch the tubes can spin in the center section so this stopes it. also welded torque boxes are a must if you plan on running slicks. __________________

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