I fitted a hybrid turbo , large intercooler, bigger injectors, oversized valves ( inlet ), a little porting and and good mapping (a dutch guy whos name is erm incomprehensible )...all this managed 287bhp and the car was a delight.....tractable in town a with no detrent whatsoever.....but open it and it flew....it would particularly on cold mornings shred tyres in 3rd gear.....the nova was fast too