mhoglund Posted November 3, 2010 Report Share Posted November 3, 2010 If you are, did you have to change the pulley on the supercharger? If you did, how much boost did you have to make up? On previous cars when I changed the exhaust I ended up having to over spin the blower to keep the boost levels up. If the same holds true on the Shelbys it could be interesting. Link to comment Share on other sites More sharing options...
2010 Grabber Blue Shelby Posted November 3, 2010 Report Share Posted November 3, 2010 If you are, did you have to change the pulley on the supercharger? If you did, how much boost did you have to make up? On previous cars when I changed the exhaust I ended up having to over spin the blower to keep the boost levels up. If the same holds true on the Shelbys it could be interesting. With the smaller pulley and header/hi flow cats Im at 11psi Link to comment Share on other sites More sharing options...
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