fiesta mk4 2.0zetec as follows: -2.0 zetec blacktop engine, running OFAB management. -T4 Turbocharger with front mount intercooler, -Port and polished head, -steel spacer plates to lower compression -Two focus RS head gaskets -Rs turbo gear box, brakes, drive shafts. -Cosworth beige injectors -full decat custom exhaust system, -Walbro Fuel pump -leather recaro seats, Too much to list, to finish this project off, i have been informed that the ecu will need to be mapped in order to run the engine smoothly, as at the minute the Engine is running lumpy as the air/fuel ratio is out of sync. Wht wud the main causes for runing lump i mean worse case wht wid it be or take to run proply cheers if any 1 can help