Rear end jumping

Z Runner · 05-01-2016, 11:40 PM

Hi all, this issue drives me crazy help me figure it out

When hard cornering instead of power slide my rear end starts to jump what could cause it?

I have tein coilovers, spl camber arms, hochkins sway bars (rear set on soft), spl endlinks 0 preload, car is corner balanced.

KrnAndy · 05-02-2016, 01:37 AM

spring rates? are you set to full soft?

I had some wheel hops in the past on my g, stiffening my dampening solved my problem

but under HEAVY cornering I can only imagine the sway bars to have some influence in that, (car will lean, and maybe lift or angle the other wheel too at extremes?)

VABAM · 05-02-2016, 11:34 AM

What tires are you running?

Also what diff are you running?

KrnAndy · 05-02-2016, 12:19 PM

^ maybe your tires are too sticky for your suspension

VABAM · 05-02-2016, 01:48 PM

Quote:

Originally Posted by KrnAndy

^ maybe your tires are too sticky for your suspension

Or not enough grip.
Or inconsistent grip.

wanker · 05-02-2016, 03:38 PM

I'd blame the Hotchkis sway bars, followed closely by your coilover setting. If you're too stiff or slammed, then your rear will jump all over.

Chuck33079 · 05-02-2016, 03:48 PM

Quote:

Originally Posted by wanker

If you're too stiff or slammed, then your rear will jump all over.

This may be it. OP, how low are you? You may be at the limit of suspension travel if you're slammed.

Z Runner · 05-02-2016, 03:58 PM

Before I used stock 18" wheels and advan tires now Falken Azenis tires and Advan GT wheels

05-01-2016, 11:40 PM	#1 (permalink)
Z Runner Enthusiast Member Join Date: Sep 2015 Location: Puerto Rico Posts: 332 Drives: 2016 370Z KAD M Base Rep Power: 28	Rear end jumping Hi all, this issue drives me crazy help me figure it out When hard cornering instead of power slide my rear end starts to jump what could cause it? I have tein coilovers, spl camber arms, hochkins sway bars (rear set on soft), spl endlinks 0 preload, car is corner balanced. Last edited by Z Runner; 05-02-2016 at 12:24 AM.

05-02-2016, 01:37 AM	#2 (permalink)
KrnAndy Base Member Join Date: Feb 2016 Location: Irvine Posts: 112 Drives: 09 Nissan 370z M6 Rep Power: 11	spring rates? are you set to full soft? I had some wheel hops in the past on my g, stiffening my dampening solved my problem but under HEAVY cornering I can only imagine the sway bars to have some influence in that, (car will lean, and maybe lift or angle the other wheel too at extremes?) DEpointfive0 likes this. Last edited by KrnAndy; 05-02-2016 at 01:40 AM.

05-02-2016, 11:34 AM	#3 (permalink)
VABAM A True Z Fanatic Join Date: May 2010 Location: No Where VA Posts: 4,003 Drives: with VDC off. Rep Power: 198	What tires are you running? Also what diff are you running? __________________ 2009 370Z Touring W/SP

05-02-2016, 03:38 PM	#6 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2903	I'd blame the Hotchkis sway bars, followed closely by your coilover setting. If you're too stiff or slammed, then your rear will jump all over. Chuck33079 likes this.

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05-02-2016, 12:19 PM	#4 (permalink)
KrnAndy Base Member Join Date: Feb 2016 Location: Irvine Posts: 112 Drives: 09 Nissan 370z M6 Rep Power: 11	^ maybe your tires are too sticky for your suspension

05-02-2016, 03:58 PM	#8 (permalink)
Z Runner Enthusiast Member Join Date: Sep 2015 Location: Puerto Rico Posts: 332 Drives: 2016 370Z KAD M Base Rep Power: 28	Before I used stock 18" wheels and advan tires now Falken Azenis tires and Advan GT wheels