Yea it's a totally different car, big jump from 120 to 265 bhp, glad I took the time to do it, it is an expensive process though, engine forge rebuild, fabricating an inlet manifold, cossie injectors, electronic ignition and ecu, 16v rocker, cossie exhaust manifold, turbo, oil cooler, new radiator and fans, intercooler, cosworth fuel tank and Bosch 910 fuel pump, where are you based yourself? What sierra have you yourself?