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Originally Posted by mattytm3 I am curious as to what I could do to get the most power out of my turbo m3 application with running only a mier 8psi. I believe that my aerocharger is limited to 8 to 10 psi max. So what could i do to step it up. Turbo spec cams, High perfomance valve springs? What would really give me the edge Iam looking for? | GT30R comes to mind.
The 20G fromActive Autowerke puts out around 300ish hp / tq. at 8psi
GT30R - upgrade head gasket, head studs, 42 - 47lb. injectors, custom programming and intake.
Other turbochargers like the Garrett GT28RS (internaly wastegated) would be great for ridiculously quick spool but wouldn't be as efficient at 8lbs. That turbo's only rated for 350hp almost maxed out as it is and wouldn't carry the kind of top end you would want from a turbo'd BMW.
20G - 300 hp / tq.
30R - 330(ish) I would think at 8lbs. It's rated to handle much more than that.
Hope that helps 
__________________ ///M3DarkSide: You know this will be on "Wildest Police Chases XXII" or some shit like that. It will say, "After barreling down the road like a bullet through a gun, this dirt bag has the nerve to pull over and smoke a cigarette. But before he can hop back in his speed maching to grab his uzi so he can start popping caps, an officer pulls up to give him with a fist full of justice. This is the last joy ride this speed freak will be taking for a while after they give him a list of charges that reads like a shopping list."
Current project:
1995 //M3 - 2 door, 5 speed - Cosmos Black
- Rogue engineering shock tower mounts
- UUC street / track transmission mounts
- JT-Designs aluminum underbody paneling
- Active Autowerke 3" intake
- Active Autowerke differential support bracket
Stockish for now, and love it  |