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P516 TOURING CAR GEARBOX

The P516 gearbox is a high performance front wheel drive touring car gearbox that was designed specifically for the World Touring Car Championship.

The P516 makes use of reduced center distance F1 derived gear ratios to minimise the size and weight of the gearbox and to minimize inertia. The gearchange system incorporates the latest polynomial barrel track design and low inertia gearchange rack to improve gearchange response and driver feel.

The low positioning of the gear cluster enables easy removal from the car under the chassis rail, and lowers the centre of gravity. The gear cluster is fully exposed when removed from the gearbox allowing quick inspection, and easy access for ratio changes.

 SPECIFICATION

• 300Nm (221lbf ft) maximum input torque capacity*

• 6 speeds with sequential gearchange selection

• Suits installations with gearbox on L.H. side of chassis

• Differential is an Xtrac cassette type plate unit with a choice of ramp angles, plate and preload settings, (quick change diff cassette is easy to remove)

• Bell crank actuated gearchange rack reduces wear and improves gearchange performance

• Aluminum L169 castings, with ‘O’-Ring face sealing

• Lubrication is via single stage eccentric lobe pump, configured for use with an external cooler

• Clutch shaft to suit customer installation is included

• Differential is an Xtrac cassette type plate unit with a choice of ramp angles, plate and preload settings. (quick change diff cassette is easy to remove)

• Differential pre load is externally adjustable while installed in the gearbox

• Bell crank actuated low inertia gearchange rack reduces wear and improves gearchange

• Xtrac ’Pin pawl’ ratchet and pawl gearchange assembly with low inertia polynomial barrel

• Low gearchange barrel and Final Drive position

• Left hand output flange is integral with the differential, to suit GI 82 size tripode joint

• Clutch release slave cylinder (AP CP3859-1250)

• Gearbox weight is approximately 29.8kg (65.5lb)* 

THE GEARBOX OFFERS THE FOLLOWING BENEFITS

• Light, positive sequential gearchange

• Easily removable cluster for ratio changes

• Easily removable differential with externally adjustable differential pre load

• Low centre of Gravity

• Cost effective, reliable, lightweight solution 

OPTIONS SUMMARY

• Super polished gear ratios (Xtrem Process)

• Single stage oil pump/filter lubrication system

• Gearchange potentiometer, mounting and display

• Quick release detent cable

• In car gear lever assembly

• Cross shaft assembly

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