S-type R Supercharger Upgrade? Jump to Latest Follow 23K views 23 replies 8 participants last post by V8 STR Feb 25, 2012 M martinSTR Discussion starter 13 posts ยท Joined 2012 #1 ยท Feb 17, 2012 Hi all, I have been told that there is a smaller pulley available for this car, And that it will boost power up by around 40bhp?
hello guys i have 05 s type R it has a Eaton m112 supercharger i believe same as 03-04 cobra there are couple tuners that offer a pulley upgrade but the boost increase is only 1.5psi which is not worth buying. they dont make any lower pulley for 03+models due to oil filter location. they had it for older jags which gave them 4-5psi with no tune p3QVC34.
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  • jaguar s type r supercharger upgrade