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Message: [QUOTE="Blown262, post: 1253598, member: 22334"] So, being a chronic tinkerer, I'm never satisfied with things the way they are. I like to experiment with little tweaks and whatnot, and I decided a while ago that I was going to piggyback my ICP with a 20kw potentiometer and a switch to kill the modified signal. I have an on-off-on switch with one pole going to the potentiometer and the other going to a momentary switch on the pedal at WOT which in turn activates a 1.8k ohm circuit on the ICP. One thing I have noticed is, whenever the potentiometer is cranked pretty high <5kohm, or when the WOT switch is activated, my fuel cutoff goes from 3400 all the way to 4100+. I've never actually pushed the truck past 3700 under load, but it feels like it wants to keep going. My EGTs start creeping into the mid 13 right at the top, which is why I've never gone past 3700. Everything else seems to be acting pretty normal under the circumstances. Now I know my ICP readings are incorrect, but I read about 4200+ above 3krpm and my injector pulse is all over the place (probably my scanner not keeping up). Am I doing sever damage this way because of the improper injector timing in relation to the increased icp? Sorry for the essay but I was just curious if anyone else has been ballsy/stupid enough to push a 7.3 (PMR motor no less) this far. It's held together for 15k with this setup, but I rarely run with the potentiometer or resistor active. It smokes a lot. [/QUOTE]

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