MY next mod 8.8 rear and 4.10's

ByPopularDemand · August 16th, 2008, 06:07 PM

Ok so I was lookin on line and all the 7.5 in posi units I saw were in the 200 dollar range before tax and shipping. Then I came across a 8.8 rear out of a 98 GT for $250 It happened to be a complete rear also. Standouts I noticed were drilled and slotted rotors, and new brake pads, a traction bar, and of course because it is a limited slip as opposed to oped diff. also has springs and shocks, but ill prolly sell those since as far as I know theyare not aftermarket upgrades. The bad...the calipers, traction bar, and shocks(should I end up using them) are red, which wont go well with my whole black and blue theme. So far the best offer I have gotten is $150 for a set of new 4.10 gears. So once I get the 4.10(lots of them were up for sale locally before)I will just need 3/4 inch wheel spacers and then Ill be ready to get it geared and installed. Of course the first, and cheapest order of business will be painting the calipers and traction bar lol. So now a few questions: Are used gears safe? How hard is a rear end swap to do? what all is involved? What would I need?(I can get access to a buncha tools and a lift) How hard is it to istall gears since the rear is currently out of the car? And lastly would there be any hope of getting traction with the stock wheels and 205's on them?

gQQgsJr · August 16th, 2008, 10:28 PM

used gears arent safe. a rear end swap isnt too difficult especially since you can use a lift. its just basic unbolt the old and bolt up the new. you need to have someone experienced to change the gears. everybody else will say the same thing. as far as traction... im not sure

itschristorres8 · August 17th, 2008, 12:56 AM

if your asking about doing gears most likely you should do it yourself
you'll need a dial indicator or a way of checking backlash
plus a torque wrench

ByPopularDemand · August 19th, 2008, 01:27 PM

Well on the bright side I found someone who knows how to do gears, And after I could probably use his shop to do the rear end swap. What are everyones thoughts on 4.56 gears?

101fng · August 19th, 2008, 03:56 PM

Originally Posted by ByPopularDemand

Well on the bright side I found someone who knows how to do gears, And after I could probably use his shop to do the rear end swap. What are everyones thoughts on 4.56 gears?

too damn tall imo

gQQgsJr · August 19th, 2008, 04:06 PM

yeah 4.56 are way too much.

AJRight 2008 · August 19th, 2008, 04:29 PM

Also i believe if im not mistaken, the rear end out of SN-95 are shorter then New edges i was looking to do the same thing to mine but a guy on a local forum im on use to work for SVT and said it would not work. I'll find it and post it up

AJRight 2008 · August 19th, 2008, 04:34 PM

This is what he said

With drums an FOX rear is 59.25 wheel mount to wheel mount. With FOX track discs, it is 59.5. An SN95 from 94 to 98 is 61 inch wheel mount to wheel mount. The 99 and later are 62 inch. All dimensions include the brake drums or rotors.

the v6 brake line is in a different spot than the 8.8

The 86-98 8.8 housings are the same dimensions, only the 94-98 axles are 3/4" longer than the Fox ones. The 99-04 housings are actually about 1.5" wider, and the axles are about 1.5" longer than the Fox ones, making the 99-04 complete rears about 3" wider in total than Fox rears, or about 1.5" wider than the 94-98 rears.

ByPopularDemand · August 19th, 2008, 05:29 PM

Yeah since I'm using the 98 rear, I'm gonna need 3/4 inch wheel spacers. And how does 500 for a rebuild and install of the gears? For that price he's also gonna just swap the rears.

Assassin_Dan · August 19th, 2008, 10:02 PM

Originally Posted by AJRight 2008

Also i believe if im not mistaken, the rear end out of SN-95 are shorter then New edges i was looking to do the same thing to mine but a guy on a local forum im on use to work for SVT and said it would not work. I'll find it and post it up

I thought it was the other way around?!?!

AJRight 2008 · August 19th, 2008, 11:19 PM

Apparently not....

riddlee josh · August 19th, 2008, 11:55 PM

will a 94 to 98 gt rear end fit in a 98 mustang v6?

gQQgsJr · August 20th, 2008, 12:13 AM

^ yes

riddlee josh · August 20th, 2008, 12:16 AM

sweet i think that is gonna be my next mod

ByPopularDemand · August 21st, 2008, 03:56 PM

Originally Posted by ByPopularDemand

Yeah since I'm using the 98 rear, I'm gonna need 3/4 inch wheel spacers. And how does 500 for a rebuild, rebuild kit, and install of the gears with the install kit? For that price he's also gonna just swap the rear ends for me.

So does that sound like a good price?
So far Im out $250 for the rear eng, $50 for the 4.10s(hope this doesnt fall through) and the install, swap and ebuild will be 500.

Avaric3 · August 21st, 2008, 11:04 PM

Originally Posted by ByPopularDemand

Well on the bright side I found someone who knows how to do gears, And after I could probably use his shop to do the rear end swap. What are everyones thoughts on 4.56 gears?

if youre goinna keep those stock tires 4.56 are way to tall youll just do a giant burnout everytime you launch. if you throw some drag radials on there than def go for the taller gear if you dont plan on forced induction in the future

ByPopularDemand · August 23rd, 2008, 02:44 PM

Went with the 4.10's so far im at a cost of 300 for the rear end and gears. Now need to find wheel spacers. then rebuild of the rear, the swap and the gearing, and all the parts needed will be 550.

August 16th, 2008, 06:07 PM	#1
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,559	MY next mod 8.8 rear and 4.10's Ok so I was lookin on line and all the 7.5 in posi units I saw were in the 200 dollar range before tax and shipping. Then I came across a 8.8 rear out of a 98 GT for $250 It happened to be a complete rear also. Standouts I noticed were drilled and slotted rotors, and new brake pads, a traction bar, and of course because it is a limited slip as opposed to oped diff. also has springs and shocks, but ill prolly sell those since as far as I know theyare not aftermarket upgrades. The bad...the calipers, traction bar, and shocks(should I end up using them) are red, which wont go well with my whole black and blue theme. So far the best offer I have gotten is $150 for a set of new 4.10 gears. So once I get the 4.10(lots of them were up for sale locally before)I will just need 3/4 inch wheel spacers and then Ill be ready to get it geared and installed. Of course the first, and cheapest order of business will be painting the calipers and traction bar lol. So now a few questions: Are used gears safe? How hard is a rear end swap to do? what all is involved? What would I need?(I can get access to a buncha tools and a lift) How hard is it to istall gears since the rear is currently out of the car? And lastly would there be any hope of getting traction with the stock wheels and 205's on them? __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

August 17th, 2008, 12:56 AM	#3
itschristorres8 V-SICKS 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,657	if your asking about doing gears most likely you should do it yourself you'll need a dial indicator or a way of checking backlash plus a torque wrench __________________ The Devil & The Daily Daily-13.37@104.4mph V6- Stock bottom-439rwhp & 402rwtq 12psi 100oct built motor-497rwhp & 508rwtq 15psi pump

August 19th, 2008, 01:27 PM	#4
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,559	Well on the bright side I found someone who knows how to do gears, And after I could probably use his shop to do the rear end swap. What are everyones thoughts on 4.56 gears? __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

August 19th, 2008, 04:29 PM	#7
AJRight 2008 Regular Join Date: Nov 2006 Location: Toledo, Ohio Posts: 146	Also i believe if im not mistaken, the rear end out of SN-95 are shorter then New edges i was looking to do the same thing to mine but a guy on a local forum im on use to work for SVT and said it would not work. I'll find it and post it up __________________

August 19th, 2008, 05:29 PM	#9
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,559	Yeah since I'm using the 98 rear, I'm gonna need 3/4 inch wheel spacers. And how does 500 for a rebuild and install of the gears? For that price he's also gonna just swap the rears. __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

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August 16th, 2008, 10:28 PM	#2
gQQgsJr Regular 1994 Mustang Coupe Join Date: Aug 2008 Location: Peabody Mass Posts: 64	used gears arent safe. a rear end swap isnt too difficult especially since you can use a lift. its just basic unbolt the old and bolt up the new. you need to have someone experienced to change the gears. everybody else will say the same thing. as far as traction... im not sure

August 19th, 2008, 04:06 PM	#6
gQQgsJr Regular 1994 Mustang Coupe Join Date: Aug 2008 Location: Peabody Mass Posts: 64	yeah 4.56 are way too much.

August 19th, 2008, 11:19 PM	#11
AJRight 2008 Regular Join Date: Nov 2006 Location: Toledo, Ohio Posts: 146	Apparently not.... __________________

August 19th, 2008, 11:55 PM	#12
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 742	will a 94 to 98 gt rear end fit in a 98 mustang v6? __________________ "Where the quarterback dates the homecoming queen The truck's a ford and the tractor's green And Amazing Grace is what we sing Well there's a county fair every fall And your friends are there no matter when you call"

August 20th, 2008, 12:13 AM	#13
gQQgsJr Regular 1994 Mustang Coupe Join Date: Aug 2008 Location: Peabody Mass Posts: 64	^ yes

August 20th, 2008, 12:16 AM	#14
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 742	sweet i think that is gonna be my next mod __________________ "Where the quarterback dates the homecoming queen The truck's a ford and the tractor's green And Amazing Grace is what we sing Well there's a county fair every fall And your friends are there no matter when you call"

August 23rd, 2008, 02:44 PM	#17
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,559	Went with the 4.10's so far im at a cost of 300 for the rear end and gears. Now need to find wheel spacers. then rebuild of the rear, the swap and the gearing, and all the parts needed will be 550. Attached Thumbnails __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

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