Buddy of mine with a GS runs a high 13.. Saw a GTP take an 03 Cobra all the way until the end of the 1/4 mile tonight.. Those motors do have potential, but unfortunately if it doesn't come with the S/C, I'd personally leave it stock and just drive it..

Mark

2000 Black CSVT 3.0L Hybrid - 206fwhp & 195fwtq