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Message: [QUOTE="KCTurbos, post: 1438203, member: 13852"] These trucks are made to tow at 1200 egts all day long. You won't hurt anything there. Obviously lower egts are great... but 1200 won't hurt anything as long as EOT and ECT stay in check. The bigger the turbo... the less it is going to like towing under 2000rpms. Depending on tire size and gears, 65mph in OD is going to be 1700-1800rpms. Bigger turbos are not going to like to tow down at those rpms. A smaller turbo will do better... but either way these trucks are not made to be pushed hard at 1800rpms. Look at a dyno graph and you will see that these trucks are making the most power and running the best when being pushed around 2500-2800rpms. No one wants to sit at those rpms all day long, but when pulling a hill that is to be expected. Compounds are definitely the best way to go IMO if you have a big pocket book. Stock injectors with a stage 3 turbo is pointless. You don't have enough fuel to take advantage of the top end power. So you get the laggy/hot bottom end, with no extra top end power. 175/30 or 190/30 and our KC stage 2 turbo have become SUPER popular. It is a solid 525-575 hp combo that still tows well. But even that combo is not going to like pulling hills in OD at 1800rpms with a trailer hooked to the back. [/QUOTE]

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