So, I am in the market to replace my factory supercharger pulley with an 83mm pulley. UPD and VRP both make 83mm aluminum supercharger pulleys for the E55 platform. After doing some research I found a company that makes the same size pulley but in various material. They offer aluminum, steel, and titanium. I am really interested in the steel version since that is what the factory pulley is manufactured from. Also, I have found that the steel pulley is less likely to suffer from belt slip. Any dealings with Moscow Supercharge?
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the factory pulley is not made of steel. it does not magnet. and in aluminum from temperature the bearing rotates in its seat because the different degrees of expansion of metal and aluminumOriginally Posted by Rallyboy383
So, I am in the market to replace my factory supercharger pulley with an 83mm pulley. UPD and VRP both make 83mm aluminum supercharger pulleys for the E55 platform. After doing some research I found a company that makes the same size pulley but in various material. They offer aluminum, steel, and titanium. I am really interested in the steel version since that is what the factory pulley is manufactured from. Also, I have found that the steel pulley is less likely to suffer from belt slip. Any dealings with Moscow Supercharge?
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0 literally 0 issues with aluminum pulleys. Save the weight, go aluminum VRP 83mm Clutched Supercharger Pulley (M113k) | VRP Speed.
