Dyno graph overview, Compression, Rebound – Penske Racing Shocks 8900 Series User Manual
Page 33: Bleed chokes off / shims activate, Low speed bleed bypass
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Dyno Graph Overview
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Compression
Bleed Chokes Off / Shims Activate
(knee)
Low Speed Bleed Bypass
(nose)
Shaft Velocity (In/Sec)
Rebound
Low Shaft Speed
(slope)
Note: Remember that low speed damping characteristics are controlled by bleed through the
low speed adjuster and the bleed hole in the piston, not the valve stacks.
500
400
300
200
100
0
-100
-200
-300
-400
-500
Damping Forces (Lbs)