Grandpas new to diesels help - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 16 (permalink) Old 03-18-2008, 06:47 AM Thread Starter
 
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Grandpas new to diesels help

Okay just bought my dream truck 2004 GMC 4X4 crewcab, Full Load and yes stock LB7 and allison 5 speed auto. Got 17.5 MPG Old way distance travelled, miles div by gallons used, running empty I pull 30 travel trailer aprox 6000Lbs
Hear a lot about 20 to 22 MPG. Dont want to be fine tuning or under the hood other than checking fluids.
What does the more experienced people suggest. Was thinking just a mild edge product under 100 hp increase. So on a pension and not wanting to damage anything, so please lets hear suggestions. Thanks for your help
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post #2 of 16 (permalink) Old 03-18-2008, 10:44 AM
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A decent Edge or Bully Dog should treat you fine for what you are wnating to do, but remember. Once you start adding power to these trucks it becomes an addiction!

Replacement of the exhaust with a 4in from one of the vendors will help to make the 20MPG more of a reality, but with the poor quality of fuel in the US, thats hard to achieve. I have a tonneau cover on my truck and I get 20 on the highway if I keep out of the go fast pedal.

Tony

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05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

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post #3 of 16 (permalink) Old 03-18-2008, 02:26 PM
 
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If you can find a local bullydog dealer, I think they have a program that is for test purposes and will go to stock after a set time. Someone correct me if I'm wrong.....As far as mileage, i have an edge ez and on level 3, I get the same as stock, but much more responsive and no smoke unless i really stand on it.
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post #4 of 16 (permalink) Old 03-19-2008, 02:00 AM Thread Starter
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Grandpa says thanks, Local dealer says banks

Thanks Guys,
Up here in BC Canada we have aircare so we have to have trucks checked every couple of years so Cat better be there. emmission tests are bad so have to stay away from oversize exhausts { I think} We arent really into many high performance diesel shops and a local one suggested a banks setup, 2800.00..... ouch too high for my pension. Cant I get away with just one item to boost my mileage/ HP, I am not heavy footed. I just like the extra ponies for hill climbing with the trailer without overheating anything. Not into smoking up the neighborhood ha ha. So new to diesels thought the smoke was a bad engine, ya been a gas guy too long.
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post #5 of 16 (permalink) Old 03-19-2008, 10:13 AM
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You can get a 4in cat back exhaust that will help the engine breathe better, then do a airbox mod on Kennedy Diesel's site under the tech tips button.

As for a programmer, like stated earlier, Edge, Bully Dog and even Superchips have a decent programmer. However, stay away from Banks.

Reason being, 1) All products made by Banks is atleast 40% marked up and costs way too much. 2) Gale Banks is a pompus @$$ that thinks he is the lords gift to the diesel community, and he is way wrong! 3) You can find comparable items from some of the vendors on this site that are of the same or better quality, and cost less!

The cat back exhaust wont hurt your emissions test as the muffler is just a sound reducer, so you will free up some air flow and make the truck sound a bit more aggresive. When you take it in for a smog test just turn the programmer/tuner to stock or remove the program. One warning, if you install a programmer/tuner, I would install guages so you can watch your engine. Any tune has the potential to over boost or take the EGT's too high, these guages will help save the life of the engine. Just something to think about.

You should beable to get everything you need for your truck for under $1500 from Vendors on this site. Finding someone to install and the shipping are another matter. But I am sure there are some members in your area that would help out if you asked and maybe bought them a case of beer.

Good luck with your new toy,
Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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post #6 of 16 (permalink) Old 03-19-2008, 11:32 AM
 
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keep your eyes open here as some people are buying new trucks and might be selling some stuff for less than new.
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post #7 of 16 (permalink) Old 03-20-2008, 06:19 PM Thread Starter
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Thats for the advice, I dont know enough about buying used as no idea whats really good and whats really bad. If anyone is in the Vancouver BC area who has a GMC or Chev LB7 I would sure like to talk to them. Nothing beats the voice of experience. I maybe can read more and contact other LB7 guys on this site that have milder set ups,, not so radical as some of you young guys ha ha.
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post #8 of 16 (permalink) Old 03-20-2008, 07:48 PM
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I had a Van Aaken but it was the big one. They also made a 0/70/110 box and it would work good. For simplicity a lot of guys run Edge. I'm running custom tuning but it sure isn't for everyone,maybe not even me :shrug: ,but it's fun.

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post #9 of 16 (permalink) Old 03-21-2008, 05:15 PM
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I got real good mileage with my MBRP 4" exhaust and predator programmer on my old '04. The only thing was, was the MBRP 4" was a little loud for my taste.

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post #10 of 16 (permalink) Old 03-21-2008, 05:27 PM
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Is there really such a thing as too loud with a diesel? Kidding, I agree that it is loud on the outside, but its not bad with the windows up, as a matter of fact. My son who wakes up with a pin drop, sleeps through the tone of the exhaust even if I get on it, but he does perk up if I roll them down.

Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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