Correct Specs for OEM Sway Bars?

NoHyperbole · 05-06-2015, 11:26 AM

In the course of doing research on sway bars, I have encountered what appears to be two different sets of specs for the OEM sway bars.

Eibach sway bar set?

Post #3 by zero says that the OEM sway bars are 416 lbs./in. front and 374 lbs./in. rear.

Eibach vs Hotchkis

Post #10 by B&W_Evader says that the OEM sway bars are 560 lbs./in. front and 540 lbs./in. rear.

That's a significant difference. So which one is correct?

Read T · 05-06-2015, 10:32 PM

perhaps one pair is the Nismo S tune / Nismo Stock

kenchan · 05-07-2015, 08:30 PM

torsion rate wise, whiteline probably has the best front/rear combo from all the read.

personally i dont think the Z needs a stiffer rear swaybar, so only swapped the front with 33-35% stiffer using whiteline. another choice is stillen in the middle setting running just the front.

05-06-2015, 11:26 AM	#1 (permalink)
NoHyperbole Base Member Join Date: Jan 2014 Location: Los Angeles Posts: 216 Drives: N/A Rep Power: 12	Correct Specs for OEM Sway Bars? In the course of doing research on sway bars, I have encountered what appears to be two different sets of specs for the OEM sway bars. Eibach sway bar set? Post #3 by zero says that the OEM sway bars are 416 lbs./in. front and 374 lbs./in. rear. Eibach vs Hotchkis Post #10 by B&W_Evader says that the OEM sway bars are 560 lbs./in. front and 540 lbs./in. rear. That's a significant difference. So which one is correct?

05-06-2015, 10:32 PM	#2 (permalink)
Read T A True Z Fanatic Join Date: May 2012 Location: Raleigh, NC Posts: 1,046 Drives: 11 Nissan 370z BC 6M Rep Power: 18	perhaps one pair is the Nismo S tune / Nismo Stock __________________ 2011 Nissan 370z Black Cherry Sport Pkg - Daily Driver, , 1960 Morgan +4 fun car, 1986 BMW 325ES, 1998 M3 and 1996 Spec Miata - Race Cars SUPPORT TEAM WINSOME RACING - WRL, CHUMP, LEMONS

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05-07-2015, 08:30 PM	#3 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	torsion rate wise, whiteline probably has the best front/rear combo from all the read. personally i dont think the Z needs a stiffer rear swaybar, so only swapped the front with 33-35% stiffer using whiteline. another choice is stillen in the middle setting running just the front.