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Tuner in Training
12 valve tune
I have a 08 Cummins and am lookin to make a 12 valve tune for it. Has anybody done it already and how do I go about it? Any help is very much appreciated!!
Thanks
Cliff
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Banned
It?s more of a VP tune than a 12v tune. Turn off pilot and post injection, turn up main timing and turn up rail pressure.
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Tuner in Training
Ok thanks. Do you how much to turn up the timing and rail pressure?
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Banned
Till it sounds like an old 12 valve or VP pump truck. At idle, 8*BTDC and 8000-9000psi rail pressure.
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Tuner in Training