347 & d1sc @11 psi
My '02 Z28 with a bone stock motor and a D1SC with 8# pullies put down 479. Since then I have upgraded to larger (4.5") intercoolers and big *** cone air filter (FWIW) but have not been back on the dyno.
Wish I had a forged motor so I could up the boost.

also the gas we use here has a bit higher octane which is about 95
http://www.youtube.com/watch?v=0fYQ8z63_RQ
i will post up the idle vid later on today
i need to use a dyno with a softer load i guess, lol






