I didn't know that Subaru had released that info yet. Last rumor I heard was that the boost was going to be around 17 psi in the STi. There has been talk that the 19 (?) psi boost on the EVO may be contributing to engine knock (when 91 octane gas is used). I will have to experience the stock setup for a while (and wait for the warranty to expire) before making any decisions on bumping the boost at all. I wouldn't speculate at all on increasing boost until we can at least drive the thing.dlowman said:The factory max boost for the sti is set to 14.5 versus 13.5 on the wrx according to subaru. Should mean we can crank up the boost and get alot more power out of this bad boy.
Argh! Stupid scheduled site maintenance! :evil: I wanna see too!alfredob1 said:He's right. He just didn't list his source: (might still be unavailable)
Ratio on the sti is 8.2:1CloNeGTS said:Nope, max WRX boost is 13.5.
Now think about that.......
13.5 psi - 227 hp
14.5 psi - 300 hp
Look at the power we are getting just out of that new engine. It would be nice to see what the comp ratio for the STi is to see just how much more we can push into the STi.