For one version you can adjust the turbo pressure and engine configuration to get the best out of it........litre, cylinder no. and V/inline/flat, and the turbo pressure. These combinations can creat laggy turbo cars or great turbo diesels.....(oh yeah XFG turbo diesel, sounds like a canal boat, revs like a truck but goes like a rocket XD).....
P.S. You need better English.
P.S. 2. And a better attitude...
There is a way I can help you. When exiting garage, press ALT+F4 for turbo spool up. Type /exit for extra boost pressure.