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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

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100

0

-100

-200

-300

-400

-500

Damping Forces (Lbs)