Suspension and gear question

Calogero6685 · February 19th, 2011, 06:50 PM

So like I've been saying, I'm getting a new rear end soon, but since I don't think I'm going to do any performance mods, I'll probably lean towards a new suspension set up designed for auto cross rather than launching. Does posi and auto cross mix, or stick with limited slip? Also, not to sound... newb... but is it stupid to go with steeper gears and limited slip?

If the government hadn't have jewed me this year in taxes, I'd have everything by now.

jamiehatch · February 26th, 2011, 06:14 PM

Tru track gears for auto x

mustang3194 · February 26th, 2011, 06:25 PM

are you going to just do auto x? if so go with a IRS not a straight axle. unless you plan on drag racing then keep the straight or build up the IRS. The IRS will be greatly better for auto x

WickedSnake00 · February 26th, 2011, 09:01 PM

Isn't posi and limited slip the same thing? Positrac is the GM brand name for their limited slip dif's starting in the 60's.

But limited slip is good for that in my opinion. Open dif you're not going to get much traction with only one wheel spinning, and lockers are overkill.

As far as ratios go that's up to you. If you're going to be running lots of short twisty tracks with lots of acceleration, you'll need the low ratios.

And IRS is awesome for handling. Everyone has told me to ditch mine but I honestly love it.

February 19th, 2011, 06:50 PM	#1
Calogero6685 Because Racecar 2012 Mustang GT Premium Join Date: Dec 2010 Location: Tampa, Florida Posts: 2,037 iTrader: 0 reviews	Suspension and gear question So like I've been saying, I'm getting a new rear end soon, but since I don't think I'm going to do any performance mods, I'll probably lean towards a new suspension set up designed for auto cross rather than launching. Does posi and auto cross mix, or stick with limited slip? Also, not to sound... newb... but is it stupid to go with steeper gears and limited slip? If the government hadn't have jewed me this year in taxes, I'd have everything by now.

February 26th, 2011, 06:25 PM	#3
mustang3194 Regular 1996 Mustang Cobra Join Date: Sep 2009 Location: Dubuque, IA Posts: 113 Blog Entries: 1 iTrader: 0 reviews	are you going to just do auto x? if so go with a IRS not a straight axle. unless you plan on drag racing then keep the straight or build up the IRS. The IRS will be greatly better for auto x __________________ 95 Mustang swapped to a 96 Cobra Drivetrain

February 26th, 2011, 09:01 PM	#4
WickedSnake00 MM's king of Neon's 404 - car not found 17.81@87 Join Date: Aug 2010 Location: Diesel Engine Capital of the World, Columbus, IN Posts: 7,373 iTrader: 0 reviews	Isn't posi and limited slip the same thing? Positrac is the GM brand name for their limited slip dif's starting in the 60's. But limited slip is good for that in my opinion. Open dif you're not going to get much traction with only one wheel spinning, and lockers are overkill. As far as ratios go that's up to you. If you're going to be running lots of short twisty tracks with lots of acceleration, you'll need the low ratios. And IRS is awesome for handling. Everyone has told me to ditch mine but I honestly love it. __________________ Official Secondhand Snake Build Thread Here Looks Like a Cobra, Sounds Like a Cobra, Tastes Like a Cobra, Not a Cobra. For Sale: P71 Interceptor motor

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February 26th, 2011, 06:14 PM	#2
jamiehatch Regular 1999 Mustang Cobra Join Date: May 2010 Posts: 109 iTrader: 0 reviews	Tru track gears for auto x

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