if file is done by a decent tuner they can remove fuel to reduce some cylinder pressure. not as effective as reducing compression but it can help. consequently it will loose a bot of power.
Tuning an ecm
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Unidewking, Nov 5, 2019.
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C13 runs lower compression @ 17:1. Proper tuning and they do fine. C15 is different story.
pushbroom and QUALITYTRUCK Thank this. -
Ok now im honestly confused lol
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I know with 15's 475-550hp is 18:1 and 600-625 are 17:1 -
Last edited: Nov 6, 2019
pushbroom Thanks this. -
Ok so should i be worried about the motor being hurt by them doing this and do i need to ask them about it? Again, thanks for all imput
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