Supercharger pulleys
12-13-2014, 02:15 AM
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Supercharger pulleys
I have a 2007 5.4 that I put a roushcharger on running 7.5 pound pulleys. I put on long tube headers and high flow cats and mufflers- now my boost Guage only reads 5 pounds or so. Everything I've read says it's ok to run up to 12 pounds through the stock block with no modifications- I just want to know if I can go up to the next pulley which should add another 5 pounds making it 10 total- or will that send Pistons flying?
