.8 to 1.0 bar will result in about a 35-40 hp difference. Or about 12%-13%.
Make sure your timing is spot on and never give it crap gas - if you make this change.
3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ -
"930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe
Movie: 930 on the dyno