Many people have upgraded their pulleys and have not had issues. I've been running a 15% for a few years now and I am planning on a 17 very soon. Go for it, you won't regret it.
im in north london,i got 15% pulley and spark plugs done,oh plus dave f air box & you can feel the difference plus the sound of the supercharger sounds grrrrrrreat .................i paid 300 for 15% & plugs & 130 for dave f air box,on rolling road my car is now 211 bhp.............where abouts in london r u?
Take a look a 1320Mini they offer very good value for money... Service and quality of work is second to none... I can't recommend these guys enough... They've carried out all the work on my car and I'm now pushing 260bhp... It's worth getting a healthcheck and maybe a dyno reading to see what you car is currently pushing... You may be surprised at what your cars 'standard' figure actually is...
listen to what everyones saying......1320mini is the place to be if you care about your car,there a great bunch of guys & there out to help you,NOT burn a hole in your pocket....believe me mate,when your driving back on the A1 you'll be smilling........but boy is it a bummer to find,make sure you got a good sat/nav.........im only down the road from you,im in bounds green
......your right FLOOF,1320 is for me all the time
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