Well, if you didn't know, the Lotus Elise uses the same Toyota engine as the Vibe GT, the VVTL-i (2ZZ-GE).It appears a Lotus Elise enthusiest club has published PDF sheets of common engine diagnostic and repair tasks. (Some of them have information to the 1ZZ.)Some of the sheets available are:Toyota VVTL-I ExplainedEngine Disassembly and Maintenance Engine Oil Replacing Engine Oil Testing Engine Idle Speed Check Engine Ignition Timing Check Spark Plug Fitness Test Valve Clearance Adjustment PCV Valve Check and Replacement Fuel Injector Location Diagram How to Run an Engine Compression Check Cylinder Block Disassembly Instructions Cylinder Block Component Inspection and Specs Cylinder Block Reassembly Instructions How to Remove and Install Timing Chain How to Inspect the Oil Pump All of these are at http://www.puresportscar.com/elisefaq