Quote:
Originally Posted by ZStig
The "upgraded" water pump pulley is only needed if you're increasing the crankshaft pulley size. This way the water pump isn't overdriven.
You don't need a new supercharger bracket, unless you're planning to go to a smaller than spec 525 pulley.
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Did you not replace your crank pulley with the provided one from ESS? Did you stick with stock?