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Thread: 2004.5 LLY ease of tuning? HP vs canned tuner

  1. #1
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    Oct 2022
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    2004.5 LLY ease of tuning? HP vs canned tuner

    First Time Here, basically asking if it is worth to attempt a moderate tune on a LLY with HP tuners. Its become very clear to myself that HP tuners is not a dominate Diesel tuner program; however, like many on this forum I have HP tuners from prior LS tuning. I have prior experience tuning a few LS setups for cams, Mostly E40 ECMs. I have a 04.5 LLY ZF6 cab and chassis Dump truck I'm looking for just a little more getup. Honestly I'm not looking to put a lot of time into trial and error for perfecting the tune like I have in the past setting up cammed LS setups. So let me ask some like minded individuals, any benefits to utilizing HP over say a handheld PPE tuner? I could use Hp tuners for the cost of two credits vs about 400$ for the handheld job? Does anyone feel their custom tune is any "safer" than a handheld tune for this level of power. Obviously HP tuners allows me to make continuous changes in the future, but if I get a little more power out of the truck it will probably be fine for a long time. I really Like HP tuners a lot from gas experiences but not having access to a tune repository or comparison tunes makes me not want to go down a long learning path for say 100hp in this truck, Thanks for the thoughts.

  2. #2
    Have you made any progress on this? I recently got HPT and going to document my progress on tuning my LLY, as I am not the most happy with my DuraMilage tuner, as people like Gale Banks have said that isn't a good one and there's power left on the table. That being said he is trying to sell a product, but he is a smart dude.

    I'm going to scan the DuraMilage tunes and compare them to stock and see what they did.

  3. #3
    Advanced Tuner projectlnf's Avatar
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    Jun 2012
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    More than likely you won?t be able to read that tuner while it?s on the truck.

    Sometimes very rarely you can.

    But I would start with a factory tune honestly. Especially if you want to document your work. You learn more from a factory tune and building you way up with help.

    PM me if you need to