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Old 07-08-2010, 01:10 PM   #1
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Max Energy Econ Power Programmer by Hypertech

i was just wondering if any one had tried the Max Energy Econ Power Programmer by Hypertech or any other power programmer that works? if so can you please tell me if it improved your gas milage or horepower or is it just a wast of money? i put an air intake on my jk rubicon and am only getting 13.5 mpg. i'm actually ok with the gas milage right now but wanted to start towing my motorcycle from nyc to miami in the winter time and heard that one guy with a jk was only getting 7 mpg.
thanks!

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Old 07-08-2010, 02:31 PM   #2
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Most use SuperChips,,, several threads about them.

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Old 07-11-2010, 03:30 PM   #3
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will do thank you!
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Old 11-05-2010, 02:50 AM   #4
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I have the Hypertech Max Energy Power Programmer on our 2008 Rubicon Unlimited. I am averaging 25 miles per gallon or 8 -9 litres per 100 km fully loaded with luggage, two adults and three children. I'm running 265 70 17 Federal Couragia MTs and have a AEM Brute Force stage 2 cold air intake coupled to a Tornado Throttle body spacer. The engine sounds awesome with great power response and incredible shifts compared to stock. Not the biggest hp gain but definitely worth the purchase.
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Old 11-05-2010, 05:59 AM   #5
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^ I'm finding the 25 MPG VERY hard to believe- how are you arriving at that figure? The onboard computer is NOT an accurate gauge, if that's what you're using. The most I've seen out of a JK is 22.2 MPG calculated properly (miles driven/gallons pumped when filled), and that's a base model on all-terrain tires driven all highway, unloaded. 25 MPG on M/T's is virtually impossible. I think a Prius would struggle to pull that off!

That said, I run the Superchips programmer on both of our rigs. I tried the Hypertech for a bit (won one at a raffle), and sold it right off. The power gains, features, and fuel economy gains were noticably inferior to the Superchips- Mark W.
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Old 11-05-2010, 06:52 AM   #6
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Mark, are you forgetting he has a TBS? I'm surprised he's not getting 40+MPG.
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Old 11-05-2010, 11:28 AM   #7
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Quote:
Originally Posted by michael11375 View Post
i was just wondering if any one had tried the Max Energy Econ Power Programmer by Hypertech or any other power programmer that works? if so can you please tell me if it improved your gas milage or horepower or is it just a wast of money? i put an air intake on my jk rubicon and am only getting 13.5 mpg. i'm actually ok with the gas milage right now but wanted to start towing my motorcycle from nyc to miami in the winter time and heard that one guy with a jk was only getting 7 mpg.
thanks!

This may help, my buddy was getting bad mpg after he put an cai on we unhooked the the battery for ten min then hooked it back up, this gives the cpu on the jeep time to reset, it now can relearn the air intake, it did help out alot mpg went back to 17-19 mpg. Like I said it worked for us maybe it will help you out to.
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Old 11-05-2010, 04:06 PM   #8
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The computer will ALWAYS be a poor way of calculating MPG. The ONLY practical, honest, accurate way is to fill up (no topping off), drive however long, divide miles driven by how many gallons you need to put in to fill it up. Miles/gallon=miles PER gallon Isn't math fun? Mark W.
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Old 11-05-2010, 04:34 PM   #9
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Someone help me based on this thread as well. After I filled up, my low gas warning light came on at 200 miles. (Used that tripometer). If that is remotely close, 200 / 18.5 = 10.81 mpg. Can the 325/60/R18s be suspect? And if so, how can I mitigate this poor gas consumption? Like the original poster asked, will Power Programmers work?
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Old 11-05-2010, 04:51 PM   #10
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10.81 does seem a little low even with the 325/60/R18 but yes those tires will cut MPG's a lot.
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Old 11-05-2010, 05:01 PM   #11
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You probably haven't had your speedo corrected, because of the new tires, so


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Someone help me based on this thread as well. After I filled up, my low gas warning light came on at 200 miles. (Used that tripometer). If that is remotely close, 200 / 18.5 = 10.81 mpg. Can the 325/60/R18s be suspect? And if so, how can I mitigate this poor gas consumption? Like the original poster asked, will Power Programmers work?
However you're checking erroneous mileage--it's wrong--

The only programmer I use is the AEV Procal Module and it doesn't alter engine fuel programs, however

It corrected the speedo and modified the auto tranny for shifting based on 5.13 axle ratio and I don't check mileage, but I did since I altered the gear ratio and my average is 15.5 mpg/hiwy--

You ain't gonna get a lot better with bigger tires and the JK brick aerodynamics

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Old 11-05-2010, 09:23 PM   #12
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Could be the odometer is set on kilometers. Divide that by gallons and mpg goes way up.
100km/4 gallons = 25 where 100 km is 60 miles so really 60/ 4 =15. Maybe it is only 15.
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Old 11-05-2010, 10:15 PM   #13
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Quote:
Originally Posted by JackdUp
Someone help me based on this thread as well. After I filled up, my low gas warning light came on at 200 miles. (Used that tripometer). If that is remotely close, 200 / 18.5 = 10.81 mpg. Can the 325/60/R18s be suspect? And if so, how can I mitigate this poor gas consumption? Like the original poster asked, will Power Programmers work?
But you didn't fill it with 18.5 gallons did you? I mean, that's the size of the tank! You need to divide by how many gallons your next fill is, not the size of the tank. The last time I let the light come on, I drove it about another 15-20 miles and then filled it up. It took 15.5 gallons then.
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Old 11-06-2010, 12:55 AM   #14
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Originally Posted by thaduke2003 View Post
^ I'm finding the 25 MPG VERY hard to believe- how are you arriving at that figure? The onboard computer is NOT an accurate gauge, if that's what you're using. The most I've seen out of a JK is 22.2 MPG calculated properly (miles driven/gallons pumped when filled), and that's a base model on all-terrain tires driven all highway, unloaded. 25 MPG on M/T's is virtually impossible. I think a Prius would struggle to pull that off!

That said, I run the Superchips programmer on both of our rigs. I tried the Hypertech for a bit (won one at a raffle), and sold it right off. The power gains, features, and fuel economy gains were noticably inferior to the Superchips- Mark W.
I was skeptical too until I monitored the gas consumption over a month of long drives across Saskatchewan and Manitoba for work. My average full tank of 90 octane,(Rubicon Tank) would carry us over 770 kilometres. You can do the math. As for my MT's with over 100 K on them, they were less than aggressive and pretty worn.

The TBS is only effective after the 170 mph barrier FYI.
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Old 11-06-2010, 04:53 AM   #15
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But you didn't fill it with 18.5 gallons did you? I mean, that's the size of the tank! You need to divide by how many gallons your next fill is, not the size of the tank. The last time I let the light come on, I drove it about another 15-20 miles and then filled it up. It took 15.5 gallons then.
Yes, you are correct. I did my math based on gas tank fill capacity of 18.5 gallons.

Regardless, the mileage consumption test began on a full tank, at the pump, at 0.00 on Trip A. When the gas warning light came on, Trip A read 199.6. You are correct again in that I divided 200 miles (Trip A) by 18.5 (Gas tank fill capacity), not factoring in how many gallons may be remaining in the tank.

If there were 3 gallons remaining, 200 / 15.5 = 12.9 mpg.

If there were 2 gallons remaining, 200 / 16.5 = 12.1 mpg.

If there was 1 gallon remaining, 200 / 17.5 = 11.4 mpg.

I will verify, but I think the digital read out is in miles, not kilometers.

So, back to the original thread question, will a programmer assist when the correct ratio and tire sizes are programmed in? Do oversized tire diameters provide false mileage readouts? If that is a true statement, could my current odometer reading be incorrect?
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Old 11-06-2010, 06:37 AM   #16
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Yes, you are correct. I did my math based on gas tank fill capacity of 18.5 gallons.

Regardless, the mileage consumption test began on a full tank, at the pump, at 0.00 on Trip A. When the gas warning light came on, Trip A read 199.6. You are correct again in that I divided 200 miles (Trip A) by 18.5 (Gas tank fill capacity), not factoring in how many gallons may be remaining in the tank.

If there were 3 gallons remaining, 200 / 15.5 = 12.9 mpg.

If there were 2 gallons remaining, 200 / 16.5 = 12.1 mpg.

If there was 1 gallon remaining, 200 / 17.5 = 11.4 mpg.

I will verify, but I think the digital read out is in miles, not kilometers.

So, back to the original thread question, will a programmer assist when the correct ratio and tire sizes are programmed in? Do oversized tire diameters provide false mileage readouts? If that is a true statement, could my current odometer reading be incorrect?
Yes, if you have oversize tires and you have not reprogrammed the correct tire size in using a superchip or other device then your mileage readings will be off. Not by a whole lot though.

But for figuring out mileage, you need to forget about the low fuel light. It is useless in other then telling you that you need fuel soon. To get your mileage you need to fill up then reset your trip. Then run your vehicle in normal use until you are near empty but at least over half a tank. The go to the pump and write down mileage on the trip meter and fill up. Use the amount of gas on the gas pump (say 15.5 gals as an example). All you need to know is how much gas you used not how much gas the vehicle can hold. Then use the total miles on the trip divided by the gals registered on the gas pump to get your MPG on your vehicle.
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Old 11-06-2010, 07:01 AM   #17
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Tire Size Calculator

You can use this to help see what different tire size will effect different speedometer readings. Just put in you stock tire size and check the compare against a specific tire size box then enter you new tire size;

Let say your stock tire size was say 255/75/17 and you put on 325/60/18 your mileage would be off 2.33 miles for every 60 miles you drove or around 3 miles for every 100 miles. So if you filled up and had 300 miles on your trip you would need to add 9 miles to your calculations
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Old 11-06-2010, 06:09 PM   #18
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Thanks all! I am sure this information will be of use for others as well. I have refilled since the last test and reset my Trip A back to 0.00. If my low gas warning light comes on around 198-200, I know that is consistent. Then, I will fill up and note the gas pumped into the Jeep. Take the miles driven, divided by the gallons pumped and there is my mpg. Awesome. I hope it is more efficient than my initial test. Thanks!!
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Old 11-06-2010, 06:20 PM   #19
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I do believe that the US gallon is smaller than our Imperial gallon. That could explain the difference in mileage.
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Old 11-07-2010, 02:22 PM   #20
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^Ah! I was gonna say, it is unbelievably unlikely anyone could get 25 MPG out of a JK's 3.8L turd. I consider 22 MPG fantastic, but pretty much the upper limit- Mark W.
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Old 08-23-2011, 08:24 AM   #21
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Wow, I finally found this forum. I just bought a Superchip and programmed my 2006 4.0 Rubicon Unlimited with it. I reset the tires to the proper size and got out on the road with my GPS. My 32 inch tires are still putting the speedo off by almost exactly 10%.

Any experience form '05-'06 TJ owners and which programmer will actually work?
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Old 08-23-2011, 10:40 AM   #22
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Quote:
Originally Posted by thaduke2003 View Post
^ I'm finding the 25 MPG VERY hard to believe- how are you arriving at that figure? The onboard computer is NOT an accurate gauge, if that's what you're using. The most I've seen out of a JK is 22.2 MPG calculated properly (miles driven/gallons pumped when filled), and that's a base model on all-terrain tires driven all highway, unloaded. 25 MPG on M/T's is virtually impossible. I think a Prius would struggle to pull that off!

That said, I run the Superchips programmer on both of our rigs. I tried the Hypertech for a bit (won one at a raffle), and sold it right off. The power gains, features, and fuel economy gains were noticably inferior to the Superchips- Mark W.
I get 23-24 mpg highway in my stock 2010 automatic with 3.73 gears, calculated by hand. 18mpg back and forth to work.
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Old 08-23-2011, 11:08 AM   #23
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^Ah! I was gonna say, it is unbelievably unlikely anyone could get 25 MPG out of a JK's 3.8L turd. I consider 22 MPG fantastic, but pretty much the upper limit- Mark W.
It is completely possible to get 25mpg out of a JK......if they are Imperial gallons as I suspect they are in Canada. Imperial gallons are about 20% larger than a U.S. gallon, so you get 20% more miles out of each one.
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Old 09-17-2011, 11:27 PM   #24
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nope.. no abs so no speedo tire adjustments on the tj rubicons

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