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Madness MINI Cooper S Supercharger Pulley
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Item Number: Madness MINI Cooper S Supercharger Pulley
Personalization
* denotes required field
Pulley Size*
EZ Supercharger Pulley Removal Tool*
Spark Plugs*
Supercharger Belt*
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For a minimal amount of money, the MINI Cooper S Supercharger Pulley can make even the Monday commute seem like a run around Laguna Seca. The stock pulley is one of the first things BMW MINI Cooper S owners replace to increase the performance of their car. Changing to a 15% smaller supercharger pulley on an otherwise stock motor has been shown, through independent testing, to provide increases of 15-20 horsepower with similar increases in torque.
The smaller supercharger pulley causes the unit to spin faster and create more boost. More boost=bigger grin! Stock Mini Cooper S engines will see a 3-4 pound increase in boost. Add to that a modified intake or exhaust and your Mini Cooper S will have even bigger power gains. MINI Cooper S tuners, including the venerable John Cooper Works, have extensively tested the 15% reduction supercharger pulley and found it to be ideal for street and track use.
Included is an installation CD and tool that with a moderate amount of mechanical ability makes installing the supercharger pulley the ideal weekend project. We've been told that it makes a great gift for the Mini Cooper S Enthusiast too.
For the even more adventurous, changing to a 19% reduction pulley will have the boost kicking in 750rpm sooner than the 15% pulley.
The 19% Mini Cooper S Supercharger Pulley is ideal for street driving conditions ONLY! It is not recommended for the long high revving situations typically seen on the racetrack! Sustained 6000-7600rpm generates more heat reducing the 19% pulley's effectiveness.
There simply is no greater bang for the buck out there.
PULLEY CONSTRUCTION
This pulley is made from aircraft quality 6061T6 heat treated aluminum and uses a taper fit design for easy installation. Securing the pulley are 6 grade 10 stainless steel bolts. This ensures equal distribution of clamping force, zero corrosion and strength needed for this application. We've also anodized the pulley black to maintain a stock appearance thus avoiding any blatant indication of the upgrade. Stealthy, just the way we like it!
PULLEY WEIGHT
Rotational weight is a critical factor that impacts supercharger performance. Other pullies on the market that are made of stainless steel weigh more than the stock pulley! This directly affects how fast the supercharger reaches full boost. Madness pullies weigh less than half the weight while maintaining excellent reliability.
Stock MINI Pulley = 11.0oz/311g
Stainless steel 15% pulley = 16.0oz/501g
Stainless steel 19% pulley = 13.2oz/374g
Madness lightweight 15% pulley = 5.5oz/155g
Madness lightweight 19% pulley = 5.0oz/125g
REMOVAL TOOL
Using our simple pulley removal tool allows you to remove the stock pulley with ease. Most removals take just 5-10 minutes. Our removal tool also does not destroy the stock pulley allowing you to reinstall it if necessary.
ALIGNMENT
Our self alignment pulley ensures 100% accuracy during pulley installation ensuring no thrown belts from improper installation.
INSTALLATION INSTRUCTIONS
Included with every kit is a CD containing installation instructions with lots of pictures to assist you or whoever you might have doing the work.
Also recommended are a set of cooler running spark plugs. This simple upgrade gains you 1-3hp and more importantly helps prevent and pre-detonation that might occur from higher boost temperatures. Cooler running plugs help transfer the added heat into the cylinder head helping to reduce in cylinder temperatures by a few degrees. This helps prevent and pre-detonation from occurring. Inexpensive insurance is the way we look at it.
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Madness New MINI Cooper S Cold Air Intake
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Product Reviews
| (13 Ratings, 12 Reviews) |
Average Rating:
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Very noticeable
Brock Needham
(Dickinson, ND)
8/17/2011 12:42 AM
I noticed the biggest change in 3rd gear, the engine seams to still have a lot of pull when it used to drop off. Can also notice that the power kicks in at lower RPM than before.
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Love the 15% reduction pulley
Dale Jorgenson
(Hillsboro, OR)
7/20/2011 2:32 PM
WOW! George was right. Big difference with this pulley. I was having some work done on my mini and since they had it pulled, I had George and his team install the pulley and now I have to watch it because I want to race to every stop light. Way worth it. People will be wondering what just passed them. Thanks Mini-Madness.
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Customer
Russel Kennel
(KEIZER, OR)
2/10/2011 9:17 PM
Mini Madness installed a 15% puller, CAI, and Evotech custom remap tune. The tune is a must if you want the car to run right. Here are the benefits of this.
1. Instant, solid smooth linear torque from 1800 RPM and up to redline.
2. The engine wants to rev and pull hard at 6,000 plus instead of weakening. So, you really can have your cake and eat it too - power at both ends of the spectrum.
3. Smooth shifting - the engine responds instantly to the throttle, making it easier to match revs with the car.
4. Feeling: Acceleration is like a falling rock in any gear.
5. The price was reasonable, and having George perform the modification is worth paying to have it done right the first time!
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Mini Roids!
(Unknown)
7/25/2008 7:54 PM
I purchased the 15% reduction pulley along with the recommended cooler running spark plugs. This upgrade made a HUGE!!! improvement. I couldn't believe it was my mini! Absolutely amazing! This is my second purchase from George and the gang, and I rest easy knowing their parts are in my vehicle. FYI: You made also need to replace belt tensioner and belt if they are worn. Be prepared for this when having installed. Thanks again for all your hard work George.
-Brendan Duluth, GA
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(Unknown)
11/14/2008 4:29 PM
the 15%... all i can say is, its crazy the difference it makes! you will be glad you got it!
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