80LS1T Posted April 2, 2006 Share Posted April 2, 2006 As you may have read I just finish installing a bigger turbo on an SRT-4. Now were trying to tune the boost controller(Greddy Profec B-Spec II ) to hold 20psi max boost. The owner and myself are extremly confused on how to tune this thing. Does anyone here have this boost controller and if so can you dumb down the terms on how to tune this thing! We are getting pretty frusterated with how to tune it after 2 days of trying to get it figured out. We know we have the vac lines hooked up right but we just cant seem to get the boost from going over 20psi! He wants to get a base tune for 20psi and know how to use this thing before turning up the boost and playing with the fuel maps. Any help would be great appreciated! Guy Quote Link to comment Share on other sites More sharing options...
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