Rear end questions

mw9 · 08-17-2008, 11:35 AM

Those who are big into autox and roadracing, what LSD do you guys recommend and have the best luck with. I do autox now and would like to get into some roadracing next year. Also, would changing the gears to a 4.09 be a good idea for roadracing and autox. Over the winter I would like to build the rear end up, just want to start doing some research now. Thanks for any info.

Eagle1 · 08-17-2008, 02:59 PM

IF you stay NA and use this car a lot as your DD, then you might consider a torsion sensing ("Torsen") type unit like the Quaife lsd. Very smooth and civilized, but the folks I know that have run hard on a track with them have had them break.

If you run FI, and drive aggressively, then a mechanical clutch type such as Cusco, Nismo, Kaaz, etc. would be worth your time for investigation. They will chatter, chirp and jerk in parking lots and sharp, slow speed turns from stop signs....but on the track they are smooth music.

ke0ki2k · 08-17-2008, 07:06 PM

Quote:

Originally Posted by mw9

Those who are big into autox and roadracing, what LSD do you guys recommend and have the best luck with. I do autox now and would like to get into some roadracing next year. Also, would changing the gears to a 4.09 be a good idea for roadracing and autox. Over the winter I would like to build the rear end up, just want to start doing some research now. Thanks for any info.

4.08's are worth it if youre on street tires, but if youre on R-comps you'll be against the rev limiter too much in autox (besides that it puts you into Street Mod 2...got to run against an insane RX-7 with a gigantic wing today). just ran at Nashville today with a 55.6 fastest time and a 55 flat wouldve been easy with my stock 3.54 gears...I was pegged against the limiter in at least 5 different areas of the course

I'm running a Cusco RS LSD and its awesome for autox...never get any inside wheel spin, really does a great job of putting the power down.

Kirk Lazarus · 08-17-2008, 07:26 PM

If it's your DD or if you drive it a significant amount, 4.08 gears might be a bad choice.

Keep in mind that on a tight autox course that reaches speeds anywhere from 5 to 40+, you're probably going to be shifting a bit more.

Just my 2 cents.

08-17-2008, 11:35 AM	#1
mw9 Registered User Join Date: Oct 2006 Location: cincinnati Posts: 974 iTrader: (15)	Rear end questions Those who are big into autox and roadracing, what LSD do you guys recommend and have the best luck with. I do autox now and would like to get into some roadracing next year. Also, would changing the gears to a 4.09 be a good idea for roadracing and autox. Over the winter I would like to build the rear end up, just want to start doing some research now. Thanks for any info. __________________ KJR pulley, motordyne 5/16 spacer, rogue short shifter, all amsoil fluids, JWT popcharger, 350evo sways, AAM ypipe, helix tps, UTEC, Tokico HP blue, Tein S

08-17-2008, 02:59 PM	#2
Eagle1 Enthusiast Join Date: Nov 2003 Location: Pasadena, Ca. Posts: 1,034 iTrader: (2)	IF you stay NA and use this car a lot as your DD, then you might consider a torsion sensing ("Torsen") type unit like the Quaife lsd. Very smooth and civilized, but the folks I know that have run hard on a track with them have had them break. If you run FI, and drive aggressively, then a mechanical clutch type such as Cusco, Nismo, Kaaz, etc. would be worth your time for investigation. They will chatter, chirp and jerk in parking lots and sharp, slow speed turns from stop signs....but on the track they are smooth music. __________________ http://forums2.freshalloy.com/showthread.php?t=145627 http://www.youtube.com/watch?v=r5Tz4WZPjp0 It has nothing to do with taking it to the edge. It has everything to do with keeping it there.