GSR2007 Posted April 16, 2014 Share Posted April 16, 2014 hows things thought this may have been covered before but I cant find a thread on the site and may be a bit of a silly question but here goes is the restrictor ring needed if im going to be using a greddy profecII boost controller?? or is the boost controller alone ok with both decats? thanks in advance graham Quote Link to comment Share on other sites More sharing options...
Stonkin Posted April 16, 2014 Share Posted April 16, 2014 Hi Graham, if the car is a J-Spec you will need a restrictor ring to. Its generally a good idea to fit a 1.0 bar ring and then increase the boost via the controller to 1.2 as the controller will only raise boost and not lower it. Quote Link to comment Share on other sites More sharing options...
GSR2007 Posted April 16, 2014 Author Share Posted April 16, 2014 Hi Graham, if the car is a J-Spec you will need a restrictor ring to. Its generally a good idea to fit a 1.0 bar ring and then increase the boost via the controller to 1.2 as the controller will only raise boost and not lower it. it is j-spec surely thanks very much for the info Quote Link to comment Share on other sites More sharing options...
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