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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 03-27-2015, 11:48 PM
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Captain10 Captain10 is offline
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Default Need tuning advice

Got my Superchips Flashpaq set up last night. Just turned the MDS off and calibrated for the 35s. I set it for 35s but feel I need to readjust because the speedo was about a mile and a half under actual and now its almost 4 mph over at 45-50 mph.

Just turning the MDS off made a world of difference in drive quality. No listening to it cut on and off, no lag when I step on the throttle, its awesome.

What tunes are yall running in your trucks? I run 87 octane in my truck but would be willing to run something higher with a certain tune if its worth it.

Not super familiar with tuning so just looking for a little advice and insight. Thanks.
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Old 03-28-2015, 02:19 AM
hemiheaven hemiheaven is offline
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Well, if you have access to 93 octane fuel, and have a 93 octane tune, then that is what I would run. Or the highest octane level you have if more power is what your after.
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Old 04-02-2015, 09:10 AM
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MDS is off, calibrated for 35s after three tries. Actually ended up programming 33" tires to get the speedo right.

Have it set on the 87 tune. Not much difference in feel. Turning MDS off made a world of difference though. Ill have to give some of the other tunes a try.

Anybody really getting detailed and adusting rev limits, WOT, and shift points?
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Old 04-02-2015, 10:56 AM
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When you enter the tire size, you have to enter the actual measurement of them. Most 35" tires are only 33'ish in actual height loaded.
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