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View Full Version : Pulley size advice.



bboynumero3
02-20-2014, 08:28 PM
I have a k20z1 in my ep3, with the A3 crank pulley. I am looking hard at the ct supercharger, and I wanted to know what size of pulley I would need for it to run around 8 psi of boost. Or maybe they already come with the proper size for my goals, I don't know, and Havent been able to find anything exactly with searching

tsxdriver
02-24-2014, 02:37 AM
I'm running the Pulley Boys 3.0 which is good for 10 psi. If I'm not mistaken, the 3.15 is what you're looking for.

differentK
02-24-2014, 02:43 PM
Thats too small- he has a k20 with a bigger crank pulley. A 3.8 or 4.0 should be around what your looking for. If he had the smaller crank pulley from the z1- the 3.15 would work.


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