Question about 8.8 rear end

98stangv6 · September 20th, 2008, 02:44 PM

Im planning on getting the Ford Racing 8.8" 31 spline with 3.73 gears rear axle, does it bolt right up or is there some modification involved?

AJRight 2008 · September 20th, 2008, 02:47 PM

Its drop out and bolt in dude. No modifications nessicary you can even reuse your UCA and LCA's but this would prob be a great time to replace those bushings while you have it out.

98stangv6 · September 20th, 2008, 02:49 PM

Originally Posted by AJRight 2008

Its drop out and bolt in dude. No modifications nessicary you can even reuse your UCA and LCA's but this would prob be a great time to replace those bushings while you have it out.

Thanks man, i thought it was straight bolt up but i wasnt 100% sure lol

mannymustang · September 20th, 2008, 10:59 PM

Where u going to get it from?

98stangv6 · September 21st, 2008, 03:58 AM

Latemodel Restoration Supply - Mustang Parts, Chevy Truck Parts & Dodge Challenger Parts

buddyantunez1 · September 22nd, 2008, 05:10 PM

got mine used with 31spline, truetrac, and 3.73's. direct bolt up. the 7.5 cant handle much power...

98stangv6 · September 22nd, 2008, 08:44 PM

Originally Posted by buddyantunez1

got mine used with 31spline, truetrac, and 3.73's. direct bolt up. the 7.5 cant handle much power...

less than 300hp ive heard..

justinsstang · September 23rd, 2008, 11:56 AM

79-98 AXLE ASSEMBLY, 8.8"" 3.73:1 31-SPLINE TRACTION-LOK MUSTANG

Is the a Full 8.8 Rear end replacement that will work on a 1998??

HMUSN · September 23rd, 2008, 11:58 AM

well it does say 79-98 so I would assume so.

justinsstang · September 23rd, 2008, 12:39 PM

ok so it is FULL rearend?! wow I did NOT know you could get them that cheap for new... 31 spline is best right?

HMUSN · September 23rd, 2008, 12:41 PM

that's not complete and it's for drum brakes..

riddlee josh · September 23rd, 2008, 12:43 PM

whats the dif between a 31spline and 28 spline? will a 1998 gt rear end bolt straight up to my 1998 v6 mustang?

HMUSN · September 23rd, 2008, 12:45 PM

3 spline

and yes

riddlee josh · September 23rd, 2008, 12:47 PM

i know that but what is the actual dif? is one better than the other?

HMUSN · September 23rd, 2008, 12:48 PM

the 31 spline is a lot stronger than the 28 spline.

riddlee josh · September 23rd, 2008, 12:49 PM

oh ok
thanks

GreenFaleen · September 23rd, 2008, 12:53 PM

if you ever look at an axle the spline is how many little ridges there are that intersync with the diff. so the more spline the more connection points you have meaning a strong rear

riddlee josh · September 23rd, 2008, 10:58 PM

whats the spline on a stock gt rear end for 1998?

justinsstang · September 25th, 2008, 01:19 PM

Originally Posted by HMUSN

that's not complete and it's for drum brakes..

So what else would be required to get this to bolt up to a 1998 mustang?
And the deal with the brakes... do I not have drum brakes now?

Onemanzu · September 25th, 2008, 01:29 PM

Originally Posted by riddlee josh

whats the spline on a stock gt rear end for 1998?

28

Originally Posted by justinsstang

So what else would be required to get this to bolt up to a 1998 mustang?
And the deal with the brakes... do I not have drum brakes now?

the LMR one mught be a four lug axle shaft... check and make sure its not... the only reason i say this is they advertise it for the Fox's which were 4 lugs...

September 20th, 2008, 02:44 PM	#1
98stangv6 Editor 1998 Mustang V6 SLOW 17.13@80.85 Join Date: Apr 2007 Location: Oklahoma Posts: 889	Question about 8.8 rear end Im planning on getting the Ford Racing 8.8" 31 spline with 3.73 gears rear axle, does it bolt right up or is there some modification involved? __________________ MM Counter-Strike Club: Co-Founder/Group: Owner

September 20th, 2008, 02:47 PM	#2
AJRight 2008 Regular Join Date: Nov 2006 Location: Toledo, Ohio Posts: 146	Its drop out and bolt in dude. No modifications nessicary you can even reuse your UCA and LCA's but this would prob be a great time to replace those bushings while you have it out. __________________

September 21st, 2008, 03:58 AM	#5
98stangv6 Editor 1998 Mustang V6 SLOW 17.13@80.85 Join Date: Apr 2007 Location: Oklahoma Posts: 889	Latemodel Restoration Supply - Mustang Parts, Chevy Truck Parts & Dodge Challenger Parts __________________ MM Counter-Strike Club: Co-Founder/Group: Owner

September 22nd, 2008, 05:10 PM	#6
buddyantunez1 Enthusiast 2000 3.8L Mustang 195.9/220.8 hp/tq N/A Join Date: Sep 2008 Location: Cleveland MS/Stafford VA Posts: 666	got mine used with 31spline, truetrac, and 3.73's. direct bolt up. the 7.5 cant handle much power... __________________ ~Nitrous is like a Hot Girl with STD's, you know you wanna hit it, but your afraid of the consequences~

September 23rd, 2008, 11:56 AM	#8
justinsstang Enthusiast 1998 Mustang v6 Join Date: Feb 2007 Location: Poplar Bluff, Missouri Posts: 797	79-98 AXLE ASSEMBLY, 8.8"" 3.73:1 31-SPLINE TRACTION-LOK MUSTANG Is the a Full 8.8 Rear end replacement that will work on a 1998?? __________________ Red '98 Mustang. Custom Dual Exhaust w/ fabbed X pipe. CAI. 17in Black Rims w/ Aluminum Lip. Alpine Head Unit and Type-S speakers in doors and decklid. 600w Bridged BOSS amp to two 12" Audio Bahn Blue Flame Series Subs.

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September 20th, 2008, 10:59 PM	#4
mannymustang Regular 1998 mustang V6 0.2@speed of light Join Date: Apr 2008 Location: florida Posts: 276	Where u going to get it from?

September 23rd, 2008, 11:58 AM	#9
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	well it does say 79-98 so I would assume so.

September 23rd, 2008, 12:39 PM	#10
justinsstang Enthusiast 1998 Mustang v6 Join Date: Feb 2007 Location: Poplar Bluff, Missouri Posts: 797	ok so it is FULL rearend?! wow I did NOT know you could get them that cheap for new... 31 spline is best right? __________________ Red '98 Mustang. Custom Dual Exhaust w/ fabbed X pipe. CAI. 17in Black Rims w/ Aluminum Lip. Alpine Head Unit and Type-S speakers in doors and decklid. 600w Bridged BOSS amp to two 12" Audio Bahn Blue Flame Series Subs.

September 23rd, 2008, 12:41 PM	#11
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	that's not complete and it's for drum brakes..

September 23rd, 2008, 12:43 PM	#12
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 634	whats the dif between a 31spline and 28 spline? will a 1998 gt rear end bolt straight up to my 1998 v6 mustang? __________________ 1998 mustang v6,UD pulleys,msd 8.5 mm wires shorty headers no cats H pipe flowmaster knock offs cold air intake w/ k n filter, port and polished TB upper intake and lower intake, xcal 3 tune.

September 23rd, 2008, 12:45 PM	#13
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	3 spline and yes

September 23rd, 2008, 12:47 PM	#14
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 634	i know that but what is the actual dif? is one better than the other? __________________ 1998 mustang v6,UD pulleys,msd 8.5 mm wires shorty headers no cats H pipe flowmaster knock offs cold air intake w/ k n filter, port and polished TB upper intake and lower intake, xcal 3 tune.

September 23rd, 2008, 12:48 PM	#15
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	the 31 spline is a lot stronger than the 28 spline.

September 23rd, 2008, 12:49 PM	#16
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 634	oh ok thanks __________________ 1998 mustang v6,UD pulleys,msd 8.5 mm wires shorty headers no cats H pipe flowmaster knock offs cold air intake w/ k n filter, port and polished TB upper intake and lower intake, xcal 3 tune.

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September 23rd, 2008, 12:53 PM	#17
GreenFaleen Resident MM Ricer 2006 Scion tC 13.9@103/8.9@81 Join Date: Nov 2006 Location: Raleigh/Lenoir, NC Posts: 9,435	if you ever look at an axle the spline is how many little ridges there are that intersync with the diff. so the more spline the more connection points you have meaning a strong rear __________________ Scion Tc-strup racing header, CAI, Ground Kit, NOS 100shot, Custom suspension, Doc. I 50% STS MM 4 Banger club: Senior Ricer "Horsepower sells cars, torque wins races." -Carroll Shelby Thanks To My Sponsors: Strup Performance

September 23rd, 2008, 10:58 PM	#18
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 634	whats the spline on a stock gt rear end for 1998? __________________ 1998 mustang v6,UD pulleys,msd 8.5 mm wires shorty headers no cats H pipe flowmaster knock offs cold air intake w/ k n filter, port and polished TB upper intake and lower intake, xcal 3 tune.

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