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can someone please direct me to where i can buy an upgrade kit for the d series jackson racing supercharger
thanks

 
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Do you have the street version and want the race version. They have the upgrade kits on jackson racing website.

 
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not sure which kit i have it boosts 5psi im looking for 8- 10psi

 
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Yupp thats the street kit. The 6+ is the race kit. Why didnt you just get the race kit it would of saved alot of hassle.

 
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i puchased it with my car. can this supercharger handle a bigger pulley?

 
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Yes it can. The pulley size determines the amount of psi it can run. The bigger the pulley the more psi. For 8 psi the pulley should be like a 3.8 I think.

 
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ok sweet thanks i cant find anything even on the jacksonracing.com site

 
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whoah!!!!! no no no! the SMALLER the pulley the more boost... (smaller distance to travel = faster fan/ corkscrew speeds = boost numbers increase) i had a supercharged car... its like putting 19 inch wheels on a car, it drops your acceleration. well it works ALMOST the same way.

correct me if im wrong guys..