STR Prep - Suspension and Alignment
STR Prep - Shock / Damper and Springs Discussion
STR Prep - Differential Discussion
STR Prep - ECU and Tuning Discusson
STR Prep - Wheels and Tires
STR Prep - Exhuast (tip to tail)
STR Prep - Weight Reduction
STR Prep - Sway Bars
SCCA Solo - STR Rules Discussion ---> (Debate rules and proposals here...)
STR Prep - AP1 vs AP2v1 vs AP2v2 vs CR
STR Prep - Intake • from DIY to Mugen
STR Engine Mounts
=============== STR Threads ===============
What shocks do you use? Any customization? Body length? Valving? Dyno Plots? Top hats? External reservoir mounting?
Car: 2003 S2000 AP1
Weight: 2650 lbs with 1/2 tank
Shocks: Penske 8300
Shock Body Length (lower bolt center to top of body/shaft bearing see photo below): Front = stock " --- Rear = 10.5"
Pistons: Compression - digressive --- Rebound - Linear
Springs: Hyperco 7" 950f/ 8" 750r
Front Sway Bar: Comptech Adjustable on full stiff (~900 lb/in)
Rear Sway Bar: 2006 MX-5 Front Bar with stock MX-5 bushings
Ride height: 12.25"f/12.5"r hub center to metal fender edge
Tires: 255 square Hankook RS3
Wheels: 949 Racing 6ULR 17x9
Front Toe: 0.0 in
Front Camber: -3.0 deg
Caster: 5 deg
Rear Toe: -5/16"
Rear Camber: -2.6 deg
For the front springs I use Hypercoil 2.5" ID "take up springs" that are 25 lb/in and 4" long.
FRONT Dyno plot with custom valving inset
REAR Dyno plot with custom valving inset
REFERENCE Standard Penske Valving
Rear Shock Length (allows lowering in the rear with reasonable travel, ~1.5" before bump stop engagement). Using standard red Penske bump stop cut down by 1/4". Also using OEM top hats. Lower bolt to top of shaft bearing (part that screws into the top) is 10.5". See longer of two indicators in photo below.
This post has been edited by Random1: 28 December 2012 - 01:45 PM