I'm making race machines with fiberglass cover and I'm looking for brand new engines for them. I'm Intrested in engines: SQR486FC SQR684V SQR481B Please tell me is it possible to turbocharg this v6 engine? I'm still looking for more power... Maby it's possible to change the injector computer stering maby somethink more. and is it possible to buy a manual geartribe in your Company?