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Old 02-13-2011, 03:52 PM
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scooper77515 scooper77515 is offline
Dodge Ram Forum Member
Join Date: Feb 2010
Age: 43
Posts: 60
Gender: Male
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Rep Power: 0
scooper77515 is on a distinguished road

i would LOVE to see before and after dyno sheets following a tune-up! I enjoy fiddling with stuff and dyno-ing before and after. Did it with my maverick, FUN FUN FUN...

Mine is an 04, and I "assumed" they were cleaning the throttle body. Apparently not!

I cannot complain, though. My 04 Hemi is still pulling 20-21 mpg on the highway. Yes, this is as-per the on-board computer up above the windshield. I have heard that it is generous, so I ran a tank and calculated it by the pump numbers, and it was within .5 mph of the on board computer, so I am amped to have a full sized truck that pulls those kinds of numbers.

I drive 200 miles per day about 2 days a week, and over 100 miles per day the rest of the week, so good mpgs are important for me.

Last edited by scooper77515; 02-13-2011 at 04:08 PM.
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