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Message: [QUOTE="Charles, post: 1318740, member: 103"] Anywho........ Back before Tim owned an injector shop I played with VOP a bit for a while and raising the VOP [i]definitely[/i] made the injectors much, much crisper and cleaner. The truck sounded very clean and strong as well. I unfortunately lost notable power on the dyno with higher VOP... Unfortunately, I don't remember picking up power by lowering it below stock. Since I didn't care about running clean and strong as much as making power, I think we left the VOP alone. But it was tested, by me if nobody else. I watched Stuckey pick up around 250hp at the wheels on dunbars one day by doing [i]nothing[/i] but lowering VOP. At this point in my life I might raise it again. The truck definitely ran more uniform and cleaner. Needed more pw for the same power. All things that a larger nozzle might actually like in a reduced power situation when compared to running a nozzle FLAT OUT all the time. Anyway, it occurred to me and I thought I should toss it out there. I will definitely be thinking about another round of testing. [/QUOTE]

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