1. Clean the flywheel and the friction face of the clutch cover with solvent before fitting.
2. Position the centreplate (friction plate) on the fw with the spline accurately co-axial with the locating bush (transverse/mid engined) or bearing (rear wheel drive) in the end of the crank. It is a good idea to get a steel clutch alignment tool for this op. The raised centre boss on the centreplate always faces outward.
3. Offer the cover up to the fw and make sure the 3 x flywheel locating dowels are engaged. Tighten the 6 x M8 securing bolts progressively to 16-18lbf ft. These bolts must be 8.8 grade or better (capscrews are ideal) and good quality spring washers must be used.
4. Lubricate the input shaft splines lightly with copper-based antiseize lubricant and offer up the gearbox carefully to the engine. Do not over-lubricate, as excess will be thrown on the clutch plate.
5. Ensure that the gearbox input shaft splines engage freely with the centreplate splines without damaging them and that the end of the input shaft engages fully with the crank bearing or bush before bolting up the bellhousing. Never â€¹Ã…â€œhangÂ¢Å¾Â¢ the gearbox off the clutch. This will irreparably damage it. The gearbox must have proper support.
6. Do not run the release bearing in full-time contact with the clutch springs, as it will just wear them out. Allow a clearance of approx 1/8â€šÂ at the actuating arm.
7. Make sure the actuating lever does not over-stroke as this will drive the release bearing too far into the clutch and may damage it.
8. All GC organic plate type competition clutches are made by Helix - a world-class clutch designer and manudacturer. They come pre-load tested and if you tell me the torque output of your motor (if I do not already know it) they will always exceed the torque output of your motor by a safe margin. They are always balanced at Helix works and may be bolted straight on. Unless advised by me or if the flywheel has been modified with new bolting points - additional balancing is not required.
Clutches, gearboxes, exhaust and intake systems, lubrication and cooling systems, engine bay layouts etc
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