John Cooper 90 BHp "S" Works Tuning Kit.
Parts Diffrent from factory specification.
Spark Plug type = NGK BPR6EV
Up- Rated Fuel Pressure Regulator.
Gas Flowed Inlet Manifold.
Tubular Exhuast Manifold.
Twin-Up Swept Rear Exhaust System.
High Lift Roller Tip Rockers.
Stage 3 Cylinder Head with Double Valve Springs.
Exhuast 02 sensor relocated,Extension Cable fitted.
Modified Air Cleaner Housing.
Adjustment Specifcations.
Valve Rocker Clearances 17thou Inlet & Exhaust (cold)
Spark Plug Electrode Gap. 35thou
Tool Specifcations.
Valve Rocker Adjustment Screws = 3/16" Hex bit.
Valve Rocker Lock Nuts = 7/16! or 11mm spanner.
Addititonal Service Information.
Valve Clearances should be checked in a "side-to-side motion",otherwise Rollers will feed feeler guage through gap giving a false measurement.Note Change in spark plug specification.
K&N Non replacement Air Filter fitted.
Castrol GTX Magnatec 10w40 oil reccomended.
