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Tractor Transporting Discussion Forum

Superchips, Hypertech, ETC type programmers

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doug in illinoi

11-05-2007 15:11:33




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I was wondering if anyone has had any experience, good or bad, with any of these. Just looking to help my 2001 Chevy 2500 get north of 10 MPG trailer pulling down the highway. Went a 530 mile round trip yesterday, pulling 3 axle livestock trailer empty up and loaded with oak lumber on return, made 7.85 on way up, 7.44 loaded on way home. 6.0 liter gas, automatic transmission. The 300 to 500 dollars in anything that would help MPG would pay back in short order at 3.00 plus gasoline. On Cabella's website, the Superchips reviews are mostly positive, the Hypertech are ALL bad. This same pickup makes 14 to 16 MPG running empty. Thanks, DOUG

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Matt Weltz

11-06-2007 12:01:52




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 Re: Superchips, Hypertech, ETC type programmers in reply to doug in illinois, 11-05-2007 15:11:33  
I also have the same truck. Have added a K&N Generation 2 intake kit, throttle body spacer, and a Granetelli mass airflow sensor (will have to buy or borrow a buddies programmer to increase allowable airflow readings). Also have dual exhaust; cut off right after the engine with 2.5" pipe and two 18" Magnaflow Magnapacks all the way back (and 3.5" chrome tips!). Have Bridgetone Dueler AT 265/75R16 on stock rims (load range E - run with 72lbs of pressure). Also have a Truxedo tonnuea cover. I drive pretty easy and can get 20MPG empty on highway. Pulling my 25' gooseneck with 18 big squares (roughly 20,000lbs. load including trailer weight) I get between 8-12MPG depending on hills.

Just be glad you didn't get the 8.1L! My dad has an '03 with the 8.1L and can get about 8MPG empty and 3-4MPG while pulling the same load. But he is completely stock and only uses the truck for pulling (less than 10,000 miles!) so he doesn't complain...

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RustyFarmall

11-07-2007 06:16:43




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 Re: Superchips, Hypertech, ETC type programmers in reply to Matt Weltz, 11-06-2007 12:01:52  
I'll disagree. I have a 2001 K-3500 with the 8.1 and 6 spd manual. I pull a 20+5 flatbed gooseneck, sometimes way overloaded. The worst I have done loaded is 8mpg. 10 to 12 empty, and after modifying the air box and removing the screen on the MAF, I am now up to about 10mpg loaded, and over 14 empty. Modifying the air box did not cost anything. The truck already has dual 3" exhaust from the factory with just one muffler, dual in, dual out, and then combined into one very short 3 1/2" tailpipe. I want to replace that single muffler with a pair of free flowing units, but I refuse to pay over $100 each.

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john_Bud

11-06-2007 07:44:34




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 Re: Superchips, Hypertech, ETC type programmers in reply to Kim P, 11-05-2007 15:11:33  

NYChas said: (quoted from post at 16:47:36 11/05/07) I have a 2000 with the same engine.That truck will pass anything but a gas station.That is one of the worse mpg engines made.I ended up getting a diesel truck and even though the price per gallon is much higher the mpg are much better and make up for it.As for anything to help with the problem I have never had any luck with any chips or programmers.


Usually, you have to get a "package" of add ons for a noticeable increase in economy. Better exhaust manifolds (headers), less restrictive exhaust pipe (larger) and muffler (louder), less restrictive intake, narrower harder and higher pressure tires along with better control of fuel and ignition timing (programmer). Then improve the aerodynamics of the truck by lowering it (crank down the torsion bars & remove any factory lift blocks on the rear end) and adding a bed cover. Remove all the extra weight you may be carrying that you don't need. Last thing would be to change all the fluids over to synthetics (engine, transmission, differentials).

Those changes typically will give you 1-4 mpg improvement. I have seen as much as 6 mpg increase but that is not typical. BUT, that's only if you keep the acceleration smooth and steady and the speed on the highway at 60-65. You never want to cruise over 2000 rpm. 1800 is better. For what ever reason, it seems that all trucks economy takes a major hit at speeds over 65 and rpm's over 2000. Ford, Chevy and Dodge all seem to have the same response. Also, keep the engine hot for best economy. Cold engines need fuel enrichment and that usually is on the order of 25-50% increase in fuel flow. Don't have specifics on that, but the first 5 miles on a cold engine seems to be about 1/2 the economy as the next 5 miles.
EFILIVE seems to offer the most flexibility in tuning. It is a software package that allows you total control over every engine parameter. But, you need to either borrow or buy a tune or make your own.
Sadly there is no silver bullet for increasing mpg. Just common sense little things that improve efficiency by small increments.

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NYChas

11-05-2007 15:47:36




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 Re: Superchips, Hypertech, ETC type programmers in reply to doug in illinois, 11-05-2007 15:11:33  
I have a 2000 with the same engine.That truck will pass anything but a gas station.That is one of the worse mpg engines made.I ended up getting a diesel truck and even though the price per gallon is much higher the mpg are much better and make up for it.As for anything to help with the problem I have never had any luck with any chips or programmers.



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