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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 09-24-2012, 05:33 PM
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TheBlackHemi TheBlackHemi is offline
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Join Date: Apr 2011
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Default Road trip with my Circle D 258mm Pro II 3000 stall...pics and vids inside

I just took a road trip to Austin and before I left I was averaging 17.3mpg (that's around 1000miles since I last reset the EVIC). So on my way back from Austin I decided to track some mpg/temps because around 350 miles into the 450 mile round trip I was already at 19.8mpg on the EVIC.

Here's a Pic of my EVIC after filling up with about 100miles left in the road trip....take note my DTE was 585mi




Another pic after 32miles since the fill up....



The last pic after 60miles since the fill up....



To prove I was not "faking" the pictures I took a couple of quick vids after the last picture at 60miles.

Take note I'm showing you the time on the navigation with arrival time (around 14 miles away from my house). Also showing you the EVIC along with the transmission temp to prove that a higher stall doesn't drastically increase trans temps like some love to say.


Here are the final numbers.....My MPG finished at 20.6 but quickly changed to 20.5. Remember if I would have reset my evic before the trip I would believe I would have average at least 22mpg if not more because I started at 17.3mpg. Also my DTE at fill up was 585 but after 100miles if you take the miles traveled+DTE= 612miles and I'm pretty sure that number would have kept rising if I had more miles to travel. Lastly the transmission temp ended up at 147 degrees but keep bouncing from 145 and 147.



I just wanted to prove that not only an aftermarket higher stall TC is better in performance but will also net you better mpg. I can say this comfortably....on a road trip I can easily avg 22mpg in my heavy ass crew cab
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Old 09-24-2012, 05:46 PM
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snrusnak snrusnak is offline
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Was this all highway?

Good numbers! I get roughly the same here but I'm a 4.7L. I have an Edge billet converter, 2800 stall, didn't hardly notice a change in mpg though. Slightly better in the city maybe. Hard to tell as my driving changes so often, never the same routes repetitively. My mpg's can be 15 avg one week in downtown traffic to 22 or 23 on an all hwy trip the next week.

I also noticed basically no change in trans temps.
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Old 09-24-2012, 05:55 PM
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TheBlackHemi TheBlackHemi is offline
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Join Date: Apr 2011
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Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Yeah basically all highway going 70-75mph but when I was in Austin I did a lot of stop n go driving in 2 day's. Before going my Evic read 17.3 and that's around 1000 miles of 70% hwy and 30% city.... I also had a head wind driving back from Austin to Houston basically the whole way. I pretty happy since I'm still not able to tune my truck to optimize the a/f ratio with all my mods.
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Old 09-24-2012, 06:11 PM
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snrusnak snrusnak is offline
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Join Date: Jan 2011
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Rep:1385
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Yeah it's pretty impressive that nearly 400hp in a 5000lb truck can get 20+ mpg at over 70mph.
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