8.8 rebuild, all I need?

merc123 · Jun 11, 2007

Would this be what I need to rebuild a burnt rear end? By rebuild, I mean everything in side the "pumpkin" was burned up. The only thing salvagable are the axles and housing. I figured I'd upgrade the LSD and axles though.

Ring gear & pinion
Eaton Posi Limited Slip 8.8in 31 Spline Differential
Moser 31 Spline Mustang Axles for 8.8in Rear w/ Studs (99-04 GT, Bullitt, & Mach 1) --- what about ABS?

Motive bearing kit
Front & Rear Pinion Bearing
Pinion Seal
Carrier Bearings
Carrier Shims
Differential Bearings
Crush Sleeve
Pinion Nut
Cover Gasket
Ring Gear Bolts
Brush
Gear Marking Compound
Loctite

Mike97gt · Jun 11, 2007

only thing I might add to what you have is axle bearings and seals. Other then that you have everything.

whyask · Jun 11, 2007

how much something like that run you..$$$

merc123 · Jun 11, 2007

About $800... Cheaper than Ford quoted me of over $1,000 for stock parts. I may just get the bearing rebuild kit and rear end girdle system though and get a carrier out of a wrecked mustang sitting on by my mechanics shop and just have him rebuild using that stuff instead It'll be a lot cheaper (only $400).

03ghoststang · Jun 11, 2007

svttech76 said:
only thing I might add to what you have is axle bearings and seals. Other then that you have everything.

you have everything else just need the bearing master kit, along with axle seals

bdcardinal · Jun 11, 2007

new bearing cups too? i know they are seperate part numbers from ford, i always give my techs new ones when they rebuild an 8.8

smasher41 · Jun 11, 2007

ford racing sells a complete rear end minus the axles for $800

3.73 gears and 28 spline. backlash etc preset, bolt on and go.

thats what im going to do, I cant afford building seperate and messing up the backlash.

Mike97gt · Jun 11, 2007

bdcardinal said:
new bearing cups too? i know they are seperate part numbers from ford, i always give my techs new ones when they rebuild an 8.8

I sure hope they are not reusing old cups with new bearings..... That is a comeback waiting to happen

bdcardinal · Jun 11, 2007

svttech76 said:
I sure hope they are not reusing old cups with new bearings..... That is a comeback waiting to happen

none of my techs do, a lot of independent techs do though, makes the job cheaper. my techs love me writing their P&A slips becaues i remember all the stuff they forget.

merc123 · Jun 12, 2007

smasher41 said:
ford racing sells a complete rear end minus the axles for $800

3.73 gears and 28 spline. backlash etc preset, bolt on and go.

thats what im going to do, I cant afford building seperate and messing up the backlash.

Yeah, but that's stock stuff still except for gears. We'll see though, they may be the right route since my axles are fine.

bdcardinal · Jun 12, 2007

um, the ford racing 3.73s are the same as the OEM ones.

Mike97gt · Jun 13, 2007

bdcardinal said:
none of my techs do, a lot of independent techs do though, makes the job cheaper. my techs love me writing their P&A slips becaues i remember all the stuff they forget.

Thats awful. But I am not surprised I have seen some awfull work both at independents and at dealers.

merc123 · Jun 13, 2007

bdcardinal said:
um, the ford racing 3.73s are the same as the OEM ones.

OEM is 3.27?

stangliter04 · Jun 13, 2007

merc123 said:
OEM is 3.27?

not OEM on a mustang... he means like a explorer. Explorer OEM are 373.

bdcardinal · Jun 13, 2007

stangliter04 said:
not OEM on a mustang... he means like a explorer. Explorer OEM are 373.

ya, like ive said in other threads, the majority of Ford Racing's parts are just picked from production vehicles.

R.J. · Jun 14, 2007

Replace the crush sleeve with a solid pinion spacer (summit p/n RAT-4105 $17). It comes with shims and gets torqued to 125ftlbs. It eliminates any under or over crushing of the sleeve and not getting pre-load correct. just my .02

urban96 · Jun 14, 2007

R.J. said:
Replace the crush sleeve with a solid pinion spacer (summit p/n RAT-4105 $17). It comes with shims and gets torqued to 125ftlbs. It eliminates any under or over crushing of the sleeve and not getting pre-load correct. just my .02

how does the solid one work? how do you know what shims to use? do u just pull the stock crush sleve out and measure then setup the solid one the same?

R.J. · Jun 15, 2007

Yes, you measure the used crush sleeve (crushed), then using shims you make the solid spacer ring the same thickness. When installed there is no guessing on torque. 125ftlbs and check pre-load. If it is high or low you adjust .02 shims at a time untill a 125ftlb TQ gets your pre-load right. The kit comes with directions.

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