I give up, there seems to be no way that I can approach the output of the M using non aspirated methods. Many of you know my modifications to date, even if I went with extensive work with new heads, cam and headers, I don't think I can reach 210+ hp at the wheels,without $$$$. So I canceled my header order.
I am now waiting for my new turbo kit from MechTech, looks really good on paper. Good warrantee, and friendly support. They say 5 psi with a variable vane turbo, minimal turbo lag with full boost at 1800 rpms and rear wheel dyno numbers of 291 ftlbs at 3200 (this is more torque than a supercharged M) and 260 hp at 5300. Complete, I mean everything, for $4999. Should arrive in Korea by 25June, I should have dyno numbers by the 26June.
I can't wait....
Also waiting for the full write up on the wooden center consule gauges. I think a boost gauge would look wonderful in there.