Suspension Facts

[AZ94FORMULA]

I thought this might help those who have questions about springs, shocks and anti-roll bars. I got this from the SoCal F-body website.


Spring Rates
Spring Front (lb/in) Rear (lb/in) Ride Hight (in)
V6 223 95.4 N/A

Z28 (93 - 97) 292 114 N/A

Z28 (98+) 291 114 N/A

1LE (94+) / WS6 / 99+ Base SS 360 130 - 180 +0.5

SLP Level II "gray" (Eibach) / y2y SS 300 - 450 115 - 185 -0.75

SLP Race/Aimes "red" (Eibach) 337 - 674 83.4 - 138.2 -2

Eibach Pro (93 - 97) 377 - 600 94 - 160 -1.5

Eibach Pro (98+) 377 - 600
94 - 160
-1.25

Eibach Sportline 360 80-137 -2

Hotchkis 285 - 525 100 - 140 ?

Edelbrock 585 120 - 150 ?

Suspension Techniques 600 140-160 (?) ?





Shock Rates
Shock Bump Rebound
Bilstein B46-1913 front 159 279
Bilstein/SLP B46-2071 front 130 397
Bilstein B46 - 1914 rear 86 174




Anti-Roll Bars
Bar Front (mm) Rear (mm)
Z28 (93+) 30 hollow 19 hollow
Z28 (93 1LE) 32 hollow 21 hollow
Z28 (94+ 1LE, 96+SS, WS6) 32 hollow 19 hollow
Z28 (3rd gen) N/A
24 hollow

LG Motorsports 32.5 hollow
21.5 solid

Addco 32 solid 21 solid
Addco (alternate) N/A 26.5 solid
Addco (3rd Gen) N/A 19 solid
Suspension Techniques 35 solid 25 solid
Herb Adams (short) 32 solid N/A




Alignment
Camber (deg) Caster (deg) Toe (deg)
factory +1(± .5) +3(± .5) 0.15(± .5)
autox/street -0.5 +4.0 0.0
autox* -1.5 +4.5 1/16 inch toe out

* Autox setting listed only possible with front end lowered approximately 1.5" from stock.

Kurt



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LT4 HOT cam, GM heavy duty timing chain, Crane chromemoly pushrods, Comp Cams "R" lifters, K&N FIPK, BBK 58mm TB, ported intake manifold, ported & polished heads w/ 2.00/1.56 valves, 30# SVO injectors, MSD wires, BeCool radiator, CSI elec. pump, March PP kit, Crane 1.6:1 RR's, Crane ignition, AS&M 1-3/4" headers, SLP cat-back, high flow cat, Hurst shifter, Centerforce DF clutch, SLP flywheel, 3" alum. drive shaft, Strange 12 bolt with 3.73's, HAL shocks, Eibach/SLP springs, Granatelli STB & upper panhard rod, ST sway bars, SLP subframe connectors, Steve Spohn racing torque arm, RLCA's & lower panhard rod, Wolfe Race Craft roll cage, 13" Baer brakes, SLP 17" SS wheels, Auto Meter gauges, LT1-Editor and more... Dyno tested: 370 RWHP w/ 358 Torque http://www.geocities.com/crash607/kurt1.html

[jagsy]

The SoCal sheet is not right.

The Eibach Pro Kit 98+ has the following spring rating:
Front=400 linear
Rear=80-137 progressive.

(Source:Eibach)