Rear-end wanders at speed Help please

Rusty · 03-10-2015, 10:06 PM

I ran -1.75 rear camber last year. Which wore the inside edges of the tires pretty good. This year I changed to -1.5 rear camber. Zero toe on my Z makes the rear feel squirrelly in a straight line under power. Mid-turn, was I was always on guard for it to step out. The Hotchkis rear bar added to that. For a spec to set the toe. I feel that close to zero without being zero is fine.

oscargarza88 · 03-10-2015, 10:51 PM

Quote:

Originally Posted by Spooler

You autoX and the rain bothers you? I love it when it rains. Good wipers and some rainx go a long way. Tires, the less the funner it is, LOL
The 370z actually does really well in the rain.

I agree with you, i love the rain and yes more fun. I have a SC miata i use as my track car and my All season tires (street setup) are very worn to the wear bars and i love driving it in the rain.
This feeling in the Z is nothing like what i enjoy and is unpredictable going in a straight line at 45mph. Like i said i wish someone else would drive the car to more accurately describe the feeling. It requires 10-2 and focus while just trying to cruise.
Ive been autoxing for almost 10 years now so no stranger to getting sideways and all that fun stuff.

Quote:

Originally Posted by Rusty

For track and DD. I have my camber at -1.5, and a hair toed in. Zero toe to toed out will give you snap oversteer at times.

Thanks i will get the camber brought in a bit after i get new tires. As far as a "hair" towed in. how much is that exactly in numbers?
thanks

Quote:

Originally Posted by Rusty

I ran -1.75 rear camber last year. Which wore the inside edges of the tires pretty good. This year I changed to -1.5 rear camber. Zero toe on my Z makes the rear feel squirrelly in a straight line under power. Mid-turn, was I was always on guard for it to step out. The Hotchkis rear bar added to that. For a spec to set the toe. I feel that close to zero without being zero is fine.

So consencus -1.5 camber in the back and what about toe?

Also i didnt answer earlier i have stock sways so no adjust ability there.

thanks!

FL 4Motion · 03-10-2015, 10:58 PM

Track/street alignment for our car:

Front:
camber - 2.1

Caster + 6

Toe 0.0

Rear:

Camber - 1.70

Toe 0.10

03-10-2015, 10:06 PM	#1 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 69 Posts: 35,517 Drives: 2011 Nismo GM 6M Rep Power: 2684439	I ran -1.75 rear camber last year. Which wore the inside edges of the tires pretty good. This year I changed to -1.5 rear camber. Zero toe on my Z makes the rear feel squirrelly in a straight line under power. Mid-turn, was I was always on guard for it to step out. The Hotchkis rear bar added to that. For a spec to set the toe. I feel that close to zero without being zero is fine. jchammond likes this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

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03-10-2015, 10:58 PM	#3 (permalink)
FL 4Motion A True Z Fanatic Join Date: Feb 2009 Location: FL Posts: 4,776 Drives: Baby Shark Rep Power: 701616	Track/street alignment for our car: Front: camber - 2.1 Caster + 6 Toe 0.0 Rear: Camber - 1.70 Toe 0.10