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Man I wonder why my numbers are so low... should I even bother to do id1000 and 82mm pulley as adviced by Lund? Just wondering if the cost worth of rwhp gains

Do you still have a stock exhaust and long tube headers? Also was this done on 91 octane

Yeah Lund won't tune If I go with 80mm pulley but Shaun from AED is able to do it. How much did yours dyno at? My phase 2 only dyno 550/500 91 octane that on stock roush tune. It was over 100 degrees that day and drove the car about 60 miles to get to the dyno place, not sure if that explains...

hello everyone! I currently have 17 GT with a Roush phase 2 supercharger. I am limited to 91 octane in my area so my tuner recommended me to go back from 80mm with stock ROUSH tune to 85MM custom Lund tune. But now I’m seeking for more power and there are no e85 in my area. He advised me that I...