I don't think I have ever seen the air filter ran straight off of the turbo on a TC and, to be honest, am somewhat confused by it!
I was running a custom Speed Density setup (*Regards to SvoJohn*) that uses a GM 3bar map sensor and a GM temp sensor. I used a Moates Quarterhorse chip w/ Binary editor and EEC Anylizer for the tuning part. The VAM is no longer needed when using this setup.
I'm from MS and own an 88 Tbird TC 5-speed and a 04 Pontiac GTO auto (DD)
Here are a few pics from my Tbird when it was in the building stage:
and here is a video of after it was together and running fairly decent (had boost creep issues in 3rd and 4th gear). I know the car doesn't look that fast in the video, but the Lightning that i'm racing makes 450+ whp on blower only ( the truck runs 7.90's at a 660ft track just for reference ).
The details of the boost creep/ AFR issues are in the video description. :D
I found this thread interesting because I own an 88 Tbird Turbo Coupe 5-speed and an 04 GTO... Best of both worlds right :D lol...
In regard to the OP: I raced my roomates 2001 z28 Camaro Ls1 6-speed ( mods: k&n filter ) from a roll and dig in my 89 Convertible Fox Mustang 5-speed ( mods: gt40 explorer heads, upper and lower intake, shorty headers, 2:73 rearend gear lol ). From a dig I could get him by a car in the quarter and from a 20 roll he would get me by a car.
BTW where do I do an introduction thread around here?