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Old 08-17-2012, 11:26 AM   #1
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Superchip Flashpaq - Better Mileage?

Just wondering if anyone has bought/used a superchip flashpaq for improving gas mileage and if it actually did make a difference? Thinking of getting one (once they have one for the 2012's) and running it for fuel economy most of the time and adjusting it to performance when "playing".

Thanks!

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Old 08-17-2012, 11:28 AM   #2
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It's too bad that programmers are not as effective on gas engines like they are on diesels. Programmers on gas engines, for the money, are really not worth it. Gains are so slight, if really anything.

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Old 08-17-2012, 11:39 AM   #3
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I run a 91 performance tune and I get 19-20 MPG. Also have stock tires/wheels though and no lift yet + MBRP exhaust and K&N filter. And on 3.73s
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Old 08-17-2012, 11:47 AM   #4
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I run a 91 performance tune and I get 19-20 MPG. Also have stock tires/wheels though and no lift yet + MBRP exhaust and K&N filter. And on 3.73s
Between the gearing and tires (not familiar with exhaust) it's no wonder you get great mileage!
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Old 08-17-2012, 11:51 AM   #5
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i dident think they even had one yet for the 2012's?
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Old 08-17-2012, 11:53 AM   #6
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what are you getting for mileage now sdg? im getting 19-20 with 33x12.5 tires and 3.21 gears on a 2012 manual and that's in hilly/moutainous terrain
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Old 08-17-2012, 11:54 AM   #7
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i dident think they even had one yet for the 2012's?

they dont, that tid bit is in the op's first post
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Old 08-17-2012, 11:54 AM   #8
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i dident think they even had one yet for the 2012's?
Not yet, but eventually there will be one
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Old 08-17-2012, 11:58 AM   #9
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what are you getting for mileage now sdg? im getting 19-20 with 33x12.5 tires and 3.21 gears on a 2012 manual and that's in hilly/moutainous terrain
Crap

stock 4:10 rubicon 4 door for the most part BUT running duratrac 33's (well, 285/70/17's)...most of my driving is in town, but 40-45mph roads, often hilly...usually sit around 14.5-15mpg

I could increase that a lot by just REALLY paying attention to the long pedal, and I have done that but I find when I am doing that I'm not enjoying driving it at all. So, while I hate getting 15 mpg, I would prefer to enjoy driving it over better mpg...am just wondering if the fuel economy programming on those things actually works.
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Old 08-17-2012, 01:24 PM   #10
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they dont, that tid bit is in the op's first post
caught me skimming!
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Old 08-17-2012, 01:40 PM   #11
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Quote:
Originally Posted by sdgmcdon View Post
Crap

stock 4:10 rubicon 4 door for the most part BUT running duratrac 33's (well, 285/70/17's)...most of my driving is in town, but 40-45mph roads, often hilly...usually sit around 14.5-15mpg

I could increase that a lot by just REALLY paying attention to the long pedal, and I have done that but I find when I am doing that I'm not enjoying driving it at all. So, while I hate getting 15 mpg, I would prefer to enjoy driving it over better mpg...am just wondering if the fuel economy programming on those things actually works.
Get rid of those tires and the 17" wheels and get 33s for 15" wheels. You lose the weight that is causing your mpg to be in the 15s.

285/70/17 GY Duratracs = 53lbs each
17" stock wheels = 27lbs each
Total = 80lbs each +/-
Grand total = 400lbs

33x12.5R15 GY Duratracs = 49lbs each
15" alloy wheels = 20lbs each
Total = 69lbs each +/-
Grand total = 345lbs
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Old 08-17-2012, 02:02 PM   #12
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Quote:
Originally Posted by sdgmcdon View Post
Crap

stock 4:10 rubicon 4 door for the most part BUT running duratrac 33's (well, 285/70/17's)...most of my driving is in town, but 40-45mph roads, often hilly...usually sit around 14.5-15mpg
I have almost the same setup. stock 4:10 rubicon, 2 door and the stock 32 BFG M/Ts, 6-speed and 3.8L. Almost all of my driving is in town, constant stop and go traffic and I get the same mileage. 14.5-15.5mpg WITH my Superchip Flashpag.

On the highway it is much better. I get 18-19mpg on the highway with my Superchip Flashpag.

I use the 89 octane tune with my Flashpag and run 89 octane fuel. I've tried all the different settings and the 89 octane tune gives me the best performance to MPG ratio.

What the Flashpag does best is improve throttle response and low end torque. My throttle response is much better with the Flashpaq and my low end torque is a little better. Keep in mind I have a 6-speed and 3.8L. With the automatic I hear the shift programming makes a big difference with the 3.8L.

Given that you have the 3.6L your experience with the Flashpaq is anyone's guess... That's if it is ever released for the 3.6L.

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