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The gears are 4.10 with 33’s

Thanks for the input so far guys I’m going to to built a pressure tester and check to see if I have a leak somewhere. I checked the up pipes for leaks and couldn’t any. I’ll update if I find anything.

There is no smoke out the exhaust and it’s totally stock. What’s weird is I was driving it the other day and I could only get 7 or 8 pounds of boost out of it then I shut it off and restarted it and it then made 11 pounds. It seems intermittent and you could feel sometimes the van feels faster...

Hello I have a 7.3 Quigley and it feels to me like it lacks power. I used it to pull a ski boat that doesnt weigh much and it slows way down any hill I hit. I’ve used the torque app and checked a few things like hpop pressure and percent and it looks to be good. I checked the boost and the max...