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Message: [QUOTE="TEXAS6.4, post: 877752, member: 13637"] got my mcc today and trucks out of the shop... looking at doing this because now i have upfitter #3 hooked to a relay that kills power to the vgt actuator and id like to do that in the tune instead. i set all backpressure tables to 0 at <1000rpm done deal, but while im in here i need to adjust some things on top end i wish the truck would just make 40psi instead of hitting 40 and turning down power levels because boost still climbs and so do egts. it seems better now with the manifolds and up pipes but i can only have my foot in it for about 6 seconds and the tuner is backing down to stock at 1600EGT. its hard to win a race when you lose power as soon as you hit 65mph. from what i see theres no boost control only backpressure control i would always want minimal backpressure but from what i understand it'll never spoolup if you dont have it there right? from what i see daily driving my truck, i only need the vgt from 1000-2000rpm or say 0-40mph i feel pretty confident the atmosphere charger has it all by then, and i should be able to disable the vgt by making desired backpressure 0 in the higher ranges? or will that not help and i need to adjust timing or duration? is it possible to have a 550hp truck with stock turbos and egts that arent thru the roof at high speed? [/QUOTE]

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