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  1. First Generation Faults & Fixes
    I’m working on a project car at the moment which is making a horrible racket while running. It’s an 04’ R50 (pre-facelift), and one of the belt pulleys is busted up. The inside of the pulley has separated from the outside, so it can’t spin properly. For the life of me I can’t figure out which...
  2. MINI Engine & Drivetrain Tuning
    Hi all, I'm on the hunt for a standard supercharger pulley - there must be loads in the back of garages out there but nothing on the 'bay. If anyone could let me have one after their reduced diameter pulley has been fitted I'd be grateful. If you're in Warwickshire, even better! Thanks! Steve
  3. First Generation MINI Cooper S
    Hi. Just got r53 cooper s convertible and love. Told Best way to tune is to play pulleys. Presuming meaning crank and supercharger. Anyone played about with either or both and worked out best combinations? Gueaaing injectors, exhaust, inlet etc etc and a healthy map needed too. What...
  4. Maintenance & MINI Care
    What’s the best way to get this off? The supercharger pulley failed while I was driving and I’m in the process of replacing it with a 15% reduction pulley from cravenspeed. 2005 Mini Cooper S. Thanks in advance.
  5. MINI Cooper S
    I have a 2005 Mini Cooper S. I just replaced my supercharger pulley with a 15% reduced pulley with a +2% ATI Crank pulley. I got NGK BKR8EIX sparks plugs and a 1360mm serpentine belt to complement these upgrades. I have noticed that I have no power of 17 PSI of boost. Looking at the...
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