28 spline axle strength??

takiller · October 6th, 2009, 02:42 AM

you guys think my rear end would hold up to 350hp with frpp carbon fiber posi and some 410's.

i wanna build it up some but im not planning on going more then 350hp with my current rearend right now. would some c clip elims help strengthen my rear end make it more stable?
i really wanna get a posi of some sort and slap 410's but i wanna make sure its strong enough without having to actually go up to the 31 spline.

F8L GT · October 6th, 2009, 02:49 AM

I believe it should. you wont need c-clip elims. they dont make it stronger. just hold the axle in if it brakes which the caliper bracket does a good job with

F8L GT · October 6th, 2009, 02:49 AM

You can always get a 31 spline conversion kit from LMR if your worried

takiller · October 6th, 2009, 03:02 AM

i didnt want to get too crazy with it..but i wanted to upgrade it some with no worrie. i use to have a 97 gt with 410's and i busted the limited slip twice. i want power to go to both wheels and not worry about breaking it again in my 03. can i get a posi from frpp that gets both wheels going? just dont want to spend $500+ on a locker or auburn etc...

takiller · October 6th, 2009, 03:09 AM

or maybe the right question would be...what makes that part in the rear ends so weak? what can i get to fix that problem? without changing the axles?

F8L GT · October 6th, 2009, 03:24 AM

the axles are tapered and a smaller diameter than 31 spline. I run a FRPP diff in my car and have no issues what so ever.

takiller · October 6th, 2009, 03:27 AM

did you get the one with the cf clutches?

F8L GT · October 6th, 2009, 03:32 AM

no but if it ever goes out i will put the carbon discs in. this is what i got
99-04 Rear Axle Kit, 8.8" 31 Spline Conversion at LRS - Same Day Shipping!

takiller · October 6th, 2009, 03:35 AM

and you got not worries when you launch? would that be strong enough IF i ever wanted to run slicks? i know that axles are. im just more concerned with the traction lok

and damn $480 or so for a whole conversion doesnt seem that bad at all. its less that the parts i pieced together.

F8L GT · October 6th, 2009, 03:36 AM

I believe this will answer your question

[IMG]http://i164.photobucket.com/albums/u4/xplodr1...

takiller · October 6th, 2009, 03:41 AM

yup. that def does it. nice! thanx for the good info.

F8L GT · October 6th, 2009, 03:49 AM

glad I could help

97S281 · October 7th, 2009, 05:37 PM

Sweet Vid!!!

F8L GT · October 7th, 2009, 06:49 PM

clutch was on its way out the door in that video. moments before in the burnout, when comin out of the water box, instead of the enginebogging down from the tires grabbing, it started bouncing off the rev limiter. stock clutch did pretty good up until now

Traidmarx · October 9th, 2009, 01:36 PM

i've seen some foxes with 28's holding up to about 400HP i've also seen my buddy in his 97 cobra launch at about 4000 RPM on DR's and shattered everything in the rear end and bent both axles. He made 421 HP on a dyno.

MustangMatt96GT · October 9th, 2009, 07:58 PM

I went 10.76 with a 1.52 60' on a stock rear end... 125K miles on that rear end too... But now I got to step it up, because at 10.99 you are required by NHRA rules to have C Clip Elmininators, and aftermarket axles... So I will go to a 33 spline setup...

I probaby made in the order of 530 RWHP on that pass too... Normally i leave off a trans brake at 4600 RPM with no issues yet

takiller · October 9th, 2009, 08:28 PM

i was tryin to make sure i didnt overkill and spend crazy amount of money for a rearend i'll never get the most out of for what i have, as far as mods. it seems that the 31 spline conversion is a pretty good route to go. im just makin sure that i dont bust up my rearend by upgrading to 410's with everything bein stock so i was tryin to find that happy median.

October 6th, 2009, 02:42 AM	#1
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	28 spline axle strength?? you guys think my rear end would hold up to 350hp with frpp carbon fiber posi and some 410's. i wanna build it up some but im not planning on going more then 350hp with my current rearend right now. would some c clip elims help strengthen my rear end make it more stable? i really wanna get a posi of some sort and slap 410's but i wanna make sure its strong enough without having to actually go up to the 31 spline. __________________ What was that you were saying about power to weight ratio? Thats what I thought.

October 6th, 2009, 02:49 AM	#2
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	I believe it should. you wont need c-clip elims. they dont make it stronger. just hold the axle in if it brakes which the caliper bracket does a good job with __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 6th, 2009, 02:49 AM	#3
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	You can always get a 31 spline conversion kit from LMR if your worried __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 6th, 2009, 03:02 AM	#4
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	i didnt want to get too crazy with it..but i wanted to upgrade it some with no worrie. i use to have a 97 gt with 410's and i busted the limited slip twice. i want power to go to both wheels and not worry about breaking it again in my 03. can i get a posi from frpp that gets both wheels going? just dont want to spend $500+ on a locker or auburn etc... __________________ What was that you were saying about power to weight ratio? Thats what I thought.

October 6th, 2009, 03:09 AM	#5
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	or maybe the right question would be...what makes that part in the rear ends so weak? what can i get to fix that problem? without changing the axles? __________________ What was that you were saying about power to weight ratio? Thats what I thought.

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October 6th, 2009, 03:24 AM	#6
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	the axles are tapered and a smaller diameter than 31 spline. I run a FRPP diff in my car and have no issues what so ever. __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 6th, 2009, 03:27 AM	#7
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	did you get the one with the cf clutches? __________________ What was that you were saying about power to weight ratio? Thats what I thought.

October 6th, 2009, 03:32 AM	#8
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	no but if it ever goes out i will put the carbon discs in. this is what i got 99-04 Rear Axle Kit, 8.8" 31 Spline Conversion at LRS - Same Day Shipping! __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 6th, 2009, 03:35 AM	#9
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	and you got not worries when you launch? would that be strong enough IF i ever wanted to run slicks? i know that axles are. im just more concerned with the traction lok and damn $480 or so for a whole conversion doesnt seem that bad at all. its less that the parts i pieced together. __________________ What was that you were saying about power to weight ratio? Thats what I thought.

October 6th, 2009, 03:41 AM	#11
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	yup. that def does it. nice! thanx for the good info. __________________ What was that you were saying about power to weight ratio? Thats what I thought.

October 6th, 2009, 03:49 AM	#12
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	glad I could help __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 7th, 2009, 05:37 PM	#13
97S281 Hardcore Enthusiast 1997 Saleen S281 Join Date: Feb 2007 Location: ZEBULON N.C. Posts: 1,557	Sweet Vid!!! __________________

October 7th, 2009, 06:49 PM	#14
F8L GT Heavy Light Weight 2002 Mustang GT 12.80@106.19 Join Date: Jul 2008 Location: Michigan Posts: 2,791	clutch was on its way out the door in that video. moments before in the burnout, when comin out of the water box, instead of the enginebogging down from the tires grabbing, it started bouncing off the rev limiter. stock clutch did pretty good up until now __________________ Mineral Gray Club Member #3 261HP/299TQ *12s N/A, All stock long block!!* Hurst T-Handle For Sale

October 9th, 2009, 01:36 PM	#15
Traidmarx Hardcore Enthusiast 1995 Mustang GT SLOWER THAN OLD PEOPLE FUCK..:-( Join Date: Aug 2008 Location: Roanoke,VA Posts: 2,026	i've seen some foxes with 28's holding up to about 400HP i've also seen my buddy in his 97 cobra launch at about 4000 RPM on DR's and shattered everything in the rear end and bent both axles. He made 421 HP on a dyno. __________________ 1995 Mustang GT..4.30's,BBK Longtubes, Off Road X-Pipe,Magnaflow Catback,BBK Intake,BBK Underdrive Pulleys Walbro 255lph pump,accel dizzy,MSD Coil,MSD 8.5 Super Conductors,front sway bar removed, more coming soon.

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October 9th, 2009, 07:58 PM	#16
MustangMatt96GT All Throttle with a Bottle 1996 Mustang GT 10.76 @ 122 with d/a of 8365 ft Join Date: Dec 2006 Location: Lakewood, CO Posts: 8,131	I went 10.76 with a 1.52 60' on a stock rear end... 125K miles on that rear end too... But now I got to step it up, because at 10.99 you are required by NHRA rules to have C Clip Elmininators, and aftermarket axles... So I will go to a 33 spline setup... I probaby made in the order of 530 RWHP on that pass too... Normally i leave off a trans brake at 4600 RPM with no issues yet __________________ 1996 Mustang GT with a 351 swap with Stalled C4 1997 F250 Powerstroke 1999 28' Classic Dominator Special Thanks to: Andrews Racing Transmissions & Thanks for the help: PoorManMotorSports "Just Cause its Smoking, don't mean its broken"

October 9th, 2009, 08:28 PM	#17
takiller Regular 2003 Mustang GT 9.0 in the 8th Join Date: Aug 2007 Location: Texas Posts: 455	i was tryin to make sure i didnt overkill and spend crazy amount of money for a rearend i'll never get the most out of for what i have, as far as mods. it seems that the 31 spline conversion is a pretty good route to go. im just makin sure that i dont bust up my rearend by upgrading to 410's with everything bein stock so i was tryin to find that happy median. __________________ What was that you were saying about power to weight ratio? Thats what I thought.