this is taken from the centralvwaudi website: here (for the mk2 TDi) The engine is based on a 1z 1.9l block It has a std crank and rods. and Raceware head stud kit Standard 2.5 van pistons and deeper valve cutouts. Head is flowed and modded for :-224 bhp at 2 bar/29 psi of boost with low restriction manifolds fitted T4 Multivan injectors and a hybrid mechanical/electronic fuel pump. inlet manifold off a ecomatic mk3 Golf 1 off 4 branch exhaust manifold made by Russ Fellows from 316 stainless T28 ball bearing turbo running at 30 psi boost, Full custom 2 1/2" side exit exhaust system Charge cooler based on Cessna 152 aircraft oil cooler Methanol injection using Bosch fuel injection parts Present horse power is 190.7 flywheel and 176.7 at the wheels over 310 ftlb torque These figure will soon change when i get my finger out! Current best time is 13.2 @ 103mph