>Before the fuel economy rules in F1 the 1.5 liter engines were running 60 >psi (all you can get with a single stage centrifugal compressor) boost and >getting 1200+ hp. Pleaase provide reference for interesting history of F1 turbo design. Thanks TurboDave dapiper at one.net West Chester, Ohio IZCC # 173 '77 280Z Custom Turbo Less Maintenance, More Performance.