what's the difference between the stock and an s2000 pump?? specs please? i got one from a super charger install i did over the weekend......... also, what's the widest tire size n-e body has done?? is 225-50-16(jdm rims) possible when lowered??

 

I'm running Walbro - the whine is sometimes annoying, but you can always tell if it's working or not