Penske SPA 7500 Series Technical Manual Download Page 1 | Manualshive

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Penske Racing Shocks-The Mill House, Packington Hayes, Litchfield,

Staffordshire WS14 9PN

7500 Series Damper

Technical Manual

E-mail: [email protected]

Tel: 01543 434 580

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Summary of Contents for SPA 7500 Series

Page 1: ...Penske Racing Shocks The Mill House Packington Hayes Litchfield Staffordshire WS14 9PN 7500 Series Damper Technical Manual E mail sales penskeshocks co uk Tel 01543 434 580 ...

Page 2: ...products and routinely assist customers in getting the best performance from their shocks Contents The 7500 Series 2 Terminology 3 To Set Ride Height 4 Dyno Graph Overview 5 Damper Adjuster Guide 6 Eyelet Adjuster 6 Sweep Style Eyelet Adjuster 7 Knob Style Eyelet Adjuster 7 Compression Adjuster 7 Damper Track Tuning 8 Compression Adjuster 8 Rebound Adjuster 8 Tuning Symptoms Suggestions 8 Corner E...

Page 3: ...ir shocks The same components in the 7500 DA are used all over the world at the highest forms of Motorsport All of the fundamental attributes found in any Penske Racing Shock have been incorporated into the 7500 DA including Standard Penske 55mm bore size which allows use of wide array of piston types Low friction shaft and piston seals Hard anodized 6000 series aluminium bodies and components for...

Page 4: ...ire WS14 9PN Page 3 of 11 E mail sales penskeshocks co uk Tel 01543 434 580 Terminology Body Compression Adjuster Ride Height Adjuster coil over applications only Spring Spring Retainer coil over applications only Rebound Adjuster Inflation Valve Eyelet Shaft Bearing Shaft Mono Ball ...

Page 5: ...il over applications Penske Racing Shocks does not set the spring preload on shocks that include coil over springs You must set your ride height AFTER installing the shocks on the car After your ride height is set tighten the 2 Allen screws 3mm Allen in the spring perch to prevent loosening This does not need to be tightened too much just nip up to prevent damage to the body threads ...

Page 6: ...ing this identifies how many clicks off of full hard the adjuster was set to achieve this curve Typically the graph will have a COMP for compression and REB for rebound before the setting For 3 Way dampers Comp will be split into LSC Low speed Compression and HSC High Speed Compression High speed will have a how many clicks off of full soft Blow the graph show force against velocity average this g...

Page 7: ...tander across most shock models It will be specified to you if this eyelet adjuster changes other damping characterises Turn the adjuster Clockwise will increase damping Stiffer Turning it Counter clockwise will reduce damping softer Clockwise stiffer Counter clockwise softer A Sweep Adjuster operated by pick or pin 20 sweeps of adjustment A sweep is one radial movement of a pick or pin engaged in...

Page 8: ... to soften rebound by 5 clicks it would mean to adjust your rebound counterclockwise by 5 clicks or sweeps depending on your adjuster Knob Style Eyelet Adjuster This knob adjuster is hand operated tuning it to making will increase damping making it stiffer Twisting it to will reduce damping making it softer 2 options Compression Adjuster Compression Adjuster uses the 4mm or 5 32 Alan key this is l...

Page 9: ...ransfer to the rear tires is very important for grip or forward bite as its referred to sometime By softening the front rebound this will allow for quicker weight transfer to the rear tires resulting is better rear grip Be careful though by allowing to much weight transfer to the rear you may cause a loss of front grip resulting in an under steer or tight condition Important You can over adjust Al...

Page 10: ...away from the rear Corner Exit Over Steer Loose a Reduce rear compression This will allow quicker weight transfer to the rear tires creating more grip b Reduce front rebound This again will transfer more weight to the rear tires resulting in more grip Gas Pressure Gas pressure is like spring rate This is more used for a fine tuning adjustment 50psi is similar to 5 10lbs of spring rate Adding more ...

Page 11: ...hibits a small amount of moisture this is normal In order to reduce friction in the system seal squeezes are slightly relaxed which serves the purpose to allow a small amount of fluid to be wicked onto the shaft when the shock operates If you see excessive amount of fluid that may pool on the top of the shaft bearing you may have a seal problem Contact Penske Racing Shocks UK representative at onc...

Page 12: ...ail sales penskeshocks co uk Tel 01543 434 580 Technical Support E mail sales penskeshocks co uk Open 7 30 AM 4 30 PM Monday Thursday 7 30 AM 1 30 PM Friday Tel 01543 434 580 Address Penske Racing Shocks The Mill House Packington Hayes Litchfield Staffordshire WS14 9PN Web www penskeshocks co uk www spa uk co uk ...

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