underdrive pullys
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Joined: Aug 2000
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Don't bother. I had the UR ones and experienced all sorts of problems with no power gains.
The alternator belt would make lots of noise, esp. with the air-con on or when the fan would work. The alternator belt tensioner would go bad every 5k kms (changed 9 belts and 4 tensioners in one year). The air-con efficiency had dropped, power gains were nill and I have raced against my brother's S3 many times to prove that and the only positive thing in general would be that the car felt slightly lighter and easier to move from standstill.
Stay away from underdrive pulleys. The fact that they are not damped is another issue I won't go into now. Keep your money for something else. Alternatively, you can try the Turn2 pulley which is not an underdrive one.
Stay away from underdrive pulleys. The fact that they are not damped is another issue I won't go into now. Keep your money for something else. Alternatively, you can try the Turn2 pulley which is not an underdrive one.
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