THI MOTORSPORT
THI MOTORSPORT

Gearbox

The brand new Eliseparts sequential gearbox is a clean sheet design, developed from the outset for the Elise chassis, to be used with either the Honda or Toyota engines. Furthermore, it has been designed to work seamlessly with padleshift systems such as Geartronics. It has been tested in extreme conditions for well over a year now and is working perfectly, helping to achieve many race wins.

 

My particular gearbox is the 6 speed version with a 3.7 ratio final drive. My gearsets have additionaly been shot peened and REM coated for extra strength, longevity and quiet operation.

Specifications of the EP Tuning 6 Speed Sequential

 

Fully dogged 6 & 7 speed gear sets (including reverse)

Internal oil pump & spray-bar (with external fittings for oil cooler/filter)

Bell housing designed to fit K20/2ZZ with anything from std flywheel-clutch to multi-plate race clutches

3 bearing shafts for maximum strength

14mm wide gears on 86mm spacing

Over-sized crown-wheel for increased strength

+20mm drive-line - crankshaft spacing allows 1 piece RH drive-shaft, no intermediate shaft required.

Will accept any Honda MT6 pattern differential (Wavetrac are the tested option)

Designed from the outset to work seamlessly with paddle-shifters (Geartronics)

Change lever can be driven from both front & rear 

LM169 high strength aluminium cast case, fully heat treated and hard anodised 

Billet aluminium centre plate and bellhousing adaptor plate

S156 aerospace steel used throughout

Gears shot peened and ground for maximum strength Fully heat treated and hardened same as Hewland/X-Trac and Sadev

Optimised 6 dog engagement for quickest shift/highest strength

Optimised gear ratios to make best use of engine torque

Full length sequential barrel to minimise moving parts

Full gear shift travel neutral for ease of use

Zero over travel gear shift system

Low friction barrel position detent

Bespoke concentric clutch slave with internal pipework for ease of plumbing

Internal oil pump with filter, external fittings for oil cooler & return spray-bar

Will accept standard rotary potentiometer and Honda speed sensor

Gearbox weight 48Kg's complete

 

Torque rating 500Nm.


Gear Ratios

1st - 2.923

2nd - 2.059

3rd - 1.600

4th - 1.304

5th - 1.120

6th - 1.000

7th - 0.926

Final Drive Options

3.7059

4.1250

4.4667

Geartonics Padddleshift System kit

Wavetrack LSD

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