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Old Today, 11:11 AM   #1
Pro Stock John
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What are the stock spring rates -SS?

I tried searching, it crashed out on me a few times.

I'm mainly wanting the spring rates for the rear.
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Old Today, 11:52 AM   #2
shibbs
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From SuperChevy:

Two suspension packages are offered: FE2 sport on V-6 models and FE3 performance with the V-8. The front suspension has a dual ball strut system, with a direct-acting stabilizer bar that measures 22.2 x 4 mm on FE2 and 23 x 4.2 mm on FE3. Hollow bars are used for mass savings. The front spring rates for FE2 models are 25 Nm, with wheel travel at 96 mm. FE3 models include a stiffer, 27 Nm spring rate, with wheel travel reduced at 84 mm.
Sucp_0904w_04_z 2010_camaro_chassis 5/11
Rear suspension features include high lateral stiffness for handling via three lateral ball joints per side. A sub-frame at the rear is double-isolated to minimize vehicle body motions and dampen road imperfections. The FE2 with a manual transmission includes a spring rate of 53 Nm, with wheel travel at 115 mm, and employs a limited-slip differential. The FE3 rear axle uses a limited slip differential on both manual- and automatic-equipped models; and the rear spring rate is increased to 66 Nm and wheel travel is reduced to 100 mm. Coil-over shock absorbers are used in the rear with a decoupled, hollow stabilizer bar. FE2 includes a 21.7 x 3 mm rear bar, while the FE3's large bar measures 23 x 3 mm.


Fronts are 27Nm, rears are 66Nm.
Converted:
Front: 240 lb/in
Rear: 585 lb/in


That rear number seems off, IMO.
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Old Today, 12:06 PM   #3
shibbs
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It looks like DSE lists different stock rates.

http://www.detroitspeed.com/2010+F-B...p-springs.html

OEM Stock Spring Rate: Rear:
V8 SS - 383 lbs/in.
V6 - 300 lbs/in.
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Custom ordered 2012 6MT RS/SS on 11/25/2011. Picked up 01/31/12.
BMR 1" lowering springs, trailing arms and toe-links, Prothane solid poly subframe bushings, JDP Motorsports rear upper control arm bushings, Texas Speed long-tube headers with 2" primaries, off-road extensions, modified FULLY 3" Magnaflow competition catback. CAI cold-air intake. Tuned by Ronnie @ RS Motors in Burnsville.
438 WHP, 406 WTQ on a Mustang Dyno
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Old Today, 12:09 PM   #4
Pro Stock John
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Thanks for the info the DSE #'s sound plausible like you said.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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