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Old 05-25-2011, 10:29 PM
Bighorn5.7 Bighorn5.7 is offline
Dodge Ram Forum Senior Member
Join Date: Oct 2010
Location: Elk River Minnesota
Age: 34
Posts: 97
Gender: Male
Vehicle: 2014 ram 1500
Trim Level: Express Blackout
Color: Black
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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Default diablo approved modification of 91 tune to run 89 octane???

Has anyone read this or running there trucks this way and if so have you data logged it to check for issues? From what i read you just take the 91 octane tune and pull 2 degrees of of timing at WOT on all 6 set points? In Minnesota we have 87, 89 and 91 or 92 octane fuel available. so its the 87 tune or premim fuel, would like to run mid grade like i did when it was stock and get a little more out of truck then the economy tune. got ds last fall and ran 87 for winter, now playing with the forgotten toy with summer almost here. Not to change subjects bt i also i discovered some info that pepople have beensaying running the 87 octane acceptable as the maual states has given people issues with there hemis and would like to avoid that if there is merit??? Thanks guys!
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