Thread: 12v Tune
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Old 12-30-2017, 09:29 PM   #1
Justinsixseven

Name: Justinsixseven
Title: Green Behind the Ears
Status: Not Here
Join Date: Feb 2016
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Posts: 54
12v Tune

Can anyone explain how to make a 12 valve tune for a 2012 6.7 Cummins? I know you have to zero pilot duration and I added ~ 30 hp duration. But I'm at a loss when it comes to what amount of timing increase is needed as I'm getting lots of white smoke without changing timing. Thanks


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