HemiTruckClub.com HTC.com Forum Forums HEMI performance Chips/Programmers What is my best option for MPG increase
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This is my first post. I have a 2008 1500 4x4 mega cab. I am very happy with the power but would like a little better fuel economy(Iknow so does everyone). Right now ,driving it normal I get between 12 and 14.5 calculated not with the overhead. I have been looking at chips and programmers and am geting a wide variety of conflicting opinions on which is the best for fuel ecomomy. Also I have the lifetime bumber to bumper service plan. will putting a chip in or a programmer on void my waranty?
2008 ram 1500 Mega Cab 4x4 5.7 Hemi |
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"Jay" HTC Man of the Year - 2009 President, South Carolina Chapter HTC.com Engine Specialist  |
 2003, Std. SWB, SLT, 20", 4:56 gear, AFE CAI, Superchip, 6.1 cam, 6.1 heads, Manley springs, retainers, pushrods, Edelbrock Hedders, 195 T-Stat, 8.2 Taylor, AEM, Power Wire, ARC-1,Amsoil Everything, and more. Veni Vidi Vici HTC.com Titan Killer Club                  |
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VP Alabama Chapter  |
  hang on the guys with the know how will eventually show up with great info______________________________________________________________________________ 2007 Ram 1500 Laramie Quad Cab 5.7L Hemi. Performance: Magnaflow Muffler with Dual Tips / BFI Cold Air Induction / Superchips Cortex 3950 Programmer / Amsoil Oil Appearence: Lots of Chrome, Factory 17” Rims, “HEMI” Floor Mats, “HEMI” Badge on the Tailgate.   |
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"Garrett" |
First off, Welcome to the club!
As far as better mileage, you're probably not going to find anything that will give you a significant boost, but there are things that help. Cold air intake, synthetic oil, (AMSoil or Royal Purple seem to be best) and yes a programmer can help. I never had any problems with my warranty while having a programmer, but it is best to be safe and de-program the truck anytime you take it in to the dealer. 2005 Jeep Grand Cherokee HEMI http://artisan-contracting.com/index.html http://www.blex.com/index.php |
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"Rob" VP Alaska Chapter  |
 and   2008 Dodge Durango 4x4 SLT HEMI and 2007 Dodge Ram 1500 4x4 SLT Quad Cab HEMI www.lubedealer.com/99705/         April 25, 2007!! |
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I have a 2007 4x4 1500 Mega Cab. I too average about the same fuel mileage. But, I was wondering if anyone has had any experience with the "Edge Gas Evolution"?
"Jeff" |
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"Dave" HTC.com Man of the Year - 2008 VP Kentucky Chapter Truck of the Month April 2006  |
Take a look at the Superchips Mileage XS tuner. I don't know anything about it, but it is an option.
https://www.superchips.com/def...oducts&psn=MileageXS '05 RCSB 1500 SLT 5.7 Hemi Ram - 4" ram air from fog light hole - Amsoil drop-in filter - AirAid MIT - Taylor shorty wires - FM 50HD SI/SO 3" Magnaflow y-pipe - General Grabber UHP 295/50 20 tires - Superchips Flashpaq 3815 - Motive 4.56 gears - Detroit Truetrac differential Lakewood traction bars - PML differential cover - Best reaction time .011 @ Bowling Green Best 1/8 mile 9.28 @ Bowling Green - Best 1/4 mile 14.51 @ Bowling Green - ETs before gears, DTT, traction bars, improved ram air, and y-pipe          |
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Off-Road Suspension expert  |
Welcome to the HTC! Like the rest of the guys have said, a programmer is a good place to start, along with a CAI, headers, and exhaust. The MegaCabs usually experience over 35% drivetrain loss, so if you're getting that kind of mpg now, you're doing pretty well.
'03 Black SLT QC SWB 4x4 Off-Road-- Rough Country X-Lift -- Deaver progressive leaf springs w/ 4" lift -- Bilstein 5100 shocks (BE5-6528-H5 front / BE5-6249-H5 rear) -- 35 x 12.50 Dick Cepek FCII's on 17 x 9 Centerline Dorsals -- AirAid Intake System w/ AMSOIL synthetic filter -- Comp 260 cam -- Manley springs & retainers -- Stu's Custom Pushrods -- JBA Cat-4ward mids -- Borla cat-back exhaust --Superchips -- Mark VIII e-fan w/ FK60 -- 8.2mm Taylors-- 180 deg t-stat -- AMSOIL -- Hella Black Magics -- bunch of other stuff "An appeaser is one who feeds a crocodile, hoping it will eat him last." - Sir Winston Churchill HTC Titan killer  |
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"Mark" Forum Manager Former Hemi truck & Hemi SUV owner  |
Welcome aboard Carles Hicks - we're glad you joined us!
______________________________________________________________________________ HTC.com web site HTC.com store HTC.com calendar HTC.com National map After smoking a pack a day for 30 years, I quit cold turkey. Here's how I did it...  2003 Ram 5.7 Hemi - Supercharged. 520 HP, 14 mpg... traded in for a 2006 SRT8 Grand Cherokee - bone stock 6.1 Hemi - 420 HP, 16 mpg... traded in for a 2007 BMW 335i - twin turbo. 330 HP, 33 mpg       |
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"Phil"  |
Prius, motorcycle, skateboard, hitchhike... etc  ____________________________________________________________________________ 06'-Ram-Hemi-Pearl Black-Magnaflow-AEM CAI-Diablo CMR Tuned By Mike W. @ tuningsuperstore.com 06'-Magnum R/T-Hemi-Pearl Black-Magnaflow-Diablo Tuned Ram in Action       Only 2 defining forces have ever offered to die for you.... Jesus Christ and the American Soldier. One died for your soul, the other for your freedom. |
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"Rob" VP Alaska Chapter |
2008 Dodge Durango 4x4 SLT HEMI and 2007 Dodge Ram 1500 4x4 SLT Quad Cab HEMI www.lubedealer.com/99705/ April 25, 2007!! |
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"Chris" Truck of the Month April 2007  |
spending money to save money just doesnt make sense.
if you do go ahead and get a CAI and programmer, you're just going to love the sound and responsiveness that you wont be able to stay out of the throttle 2005 Black Hemi Reg Cab 4x4 |
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but i did get a tonneau cover, cold air intake and after market exhaust. Now i get 16 mpg on the highway at 75 and 13 mpg in town.2006 Black Mega Cab Current mods: Access tonneau cover, 3rd Strike CAI,Tekonsha PRIMUS Trailer Brake Controller, Sumitt Turbo Muffler, Tow Mirrors, Tranny Temp Gauge in SRT A Pillar Pending Mods: Tuner, Tint Front Windows, Nerf Bars |
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"Scot" Vice President AZ Chapter  |
Chipped, air in, air out. I run 15 consistently. Once ran with the tailgate down and got it up to 17 for a tank.   |
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Off-Road Suspension expert |
What Phil said.  Seriously, drivetrain loss in the MegaCabs is around 35-38%, so your mpg is going to suffer as a result. If you're serious about increasing the fuel economy of your truck, here's a short list of mods: Superchips, BFI intake, cat-back exhaust, AMSOIL, e-fan, tonneau cover, Fitch Fuel Catalyst, low rolling-resistance tires, and a front swap to manual locking hubs (on 4wd only). Oh yeah, and a light right foot... '03 Black SLT QC SWB 4x4 Off-Road-- Rough Country X-Lift -- Deaver progressive leaf springs w/ 4" lift -- Bilstein 5100 shocks (BE5-6528-H5 front / BE5-6249-H5 rear) -- 35 x 12.50 Dick Cepek FCII's on 17 x 9 Centerline Dorsals -- AirAid Intake System w/ AMSOIL synthetic filter -- Comp 260 cam -- Manley springs & retainers -- Stu's Custom Pushrods -- JBA Cat-4ward mids -- Borla cat-back exhaust --Superchips -- Mark VIII e-fan w/ FK60 -- 8.2mm Taylors-- 180 deg t-stat -- AMSOIL -- Hella Black Magics -- bunch of other stuff "An appeaser is one who feeds a crocodile, hoping it will eat him last." - Sir Winston Churchill HTC Titan killer |
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Run a 3.55 rear end. I got 19mph with the cruise set at 80mph from L.A. to Austin.
Doug 2004 Quad cab |
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"Bob" President AZ Chapter Truck of the Year 2008 Truck of the Month April 2008  |
 04 RUMBLE BEE #4669 Yellow MODS :Stu's Spartan cam on 113 lsa,L/T Cerimic coated headers & y pipe,E-Fan,180 T-Stat,E-Cut Outs, Posi 456's, Shortie Wires,CAI, 06 R/T Daytona Charger top banana yellow #93     |
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 HTC.com Audio Consultant  |
3.55 will save on the highway but will really kill you around town, you better of going with lower gears on that size truck  Black 2004 Qc 4X4, Superchips,comp 260 cam,home ported & milled heads,6.1 spring and pushrods, PSC1, Taylor Thundevolt 50, Edelbrock TES headers, true duals with Magnaflow, K&N C.A.I., Innovate LC1, MarkVIII E Fan, 180* t stat,Hellwig RSB, 6 X HID,sport running boards and bed accents,lund rool pan, Kenwood KNX7100 nav., R camera, 80G hard drive, 9" flip down monitor, Phoenix gold Tantrum 600.4 for Diamond Audio 4.5" dash and R.F. 5" R doors, Orion Extreme 500.4 for HCCA 6S comps front door, Precision Power DCX 1500.1 for 2 X 10" RE Audio SE, Oxygen Audio 20 Farad cap, Rammat sound deadner, tons of wires |
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I've got 3.55s and 31" tires and the best I have ever seen hand calculated is 16.7 all highway from San Marcos to Dallas and back on a single tank of gas. I mostly get about 14-15 now and usually got about 16.2 before the header swap.
With headers you really do lose some low end. If you're going for MPG I wouldn't do headers. They make killer power above 3500 but not that great for cruising. Plus they cost a lot. $1000 in gas will get you a long way compared to 1000 on mods that might get you 2mpg more at best. 1959 Buick Electra 4 Door Sedan 1959 Pontiac Star Chief 4 Door Hard Top 1976 W200 Dodge Power Wagon 383/ 727 4x4 1986 W100 Dodge Power Ram 318/ 4 speed 4x4 2007 Dodge Ram Single Cab Long Bed - almost no options except posi and HEMI! www.Pontiac-59.com |
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shorty or mid headers might help your mpgs in a mega but longtubes probably wouldn't. i have 3.55s in my rc sb and have got around 435 miles to a 26 gallon tank on a trip to south texas. 3.55s suck though, i would much rather have 3.92s or 4.10s and take a hit in the mpg dept and gain acceleration. i would try a programmer. I have used the mileage xs program and had mixed results, the first few times i used it i actually lost mpgs, now i'm using it again and gaining mpgs again. a programmer is worth it to me, changes how it shifts and optimizes your engine
2003 hemi rc/sb |
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HemiTruckClub.com HTC.com Forum Forums HEMI performance Chips/Programmers What is my best option for MPG increase
HTC.com Forum Forums HEMI performance Chips/Programmers What is my best option for MPG increaseCopyright HemiTruckClub.com 2009