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Message: [QUOTE="Charles, post: 1295165, member: 103"] Cutting pulsewidth costs $0.00 and requires nothing to be changed on the truck. For the hardware on the truck now, reducing injection duration is probably the answer. Unless it's a big pita to have the program altered or something. A lot of times a pw reduction will make the same or similar power with a tremendous drop in smoke and EGT. Sometimes it will make more power, especially if he's dropping rail real bad. Most times it will have better response as well and drive "crisper". Point being, the sentiment seemed to be that he shouldn't have gone to XXX injector size with Y and Z compressors because there's "too much fuel" for that turbo setup, when in my experience the opposite is true. As the power comes up, power per power with the exact same turbo setup, the larger injectors will always run cooler because they can drop the fuel in the hole right now instead of spraying through an extended window creating a laggy event that builds heat. You can also usually lower the timing easing the strain and still be running cooler because the faster injector doesn't have to start spraying so early in order to get the fuel in the hole on time. I'll go re-read the thread to make sure I understood the OP's issue, but I thought it was just heat. [/QUOTE]

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