You can get good results with 550hp hh program and the right fls and fts settings. I have done several .4 to .6 mpg gains. Also the m100463 donaldson mufflers are good for .1 to .2 mpg gains. Get the valves set also.
Need more HP and MPG out of my 06 c15 acert
Discussion in 'Trucks [ Eighteen Wheelers ]' started by greg37988, Nov 29, 2013.
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yes hh Means heavy haul.
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no not just got to know the right ones. Now I am not saying that a pdi or bullydog tune could do better I am just stating what I have done.
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Check out the threads I followed up on above on the page and save yourself some money.
wore out Thanks this. -
I do my own flashing
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I have friends with the PDI stage 1 on there Acert and their getting 6 + on mpg hauling pretty heavy loads
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Just don't forget to check the simple things first. I.E CAC and all boots a small leak makes a big difference, you cant go by the gauge. They can still hold boost with a leak. check fuel pressure and I have seen it in spec but have a suction restriction causing low flow. Basically make sure your engine is in top shape before tuning. Tuning will help one that needs a little attention. but tuning an engine that is right will put a big smile on your face.
ODR Thanks this.
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