New alta pulley?
#1
New alta pulley?
i have a 17% reduction pulley for mt supercharger. i recently found that alta now has a 19% reduction pulley. i dont know the increase in power from a 17 to a 19. does anyone think it would be worth it to buy the 19% after i already bought and installed a 17%?
#6
anyone know what size the stock throttle body is on the 06 cooper s? i want to get an aftermarket throttle body because my mechanic told me that my problem with it acting weird and not wanting to go over 2000 rpms....a new throttle body might fix it. so i figured i might as well get an aftermarket one.
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