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Deleting a 2009 Duramax

Posted on 6/6/18 at 1:33 pm
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 6/6/18 at 1:33 pm
Doing a EFI Live single tune and 4 inch exhaust. Have 2 questions for anyone with experience

With the tune, what hp should I go with? Thinking 30. The truck is mostly a farm truck but does do some heavy pulling. (8-15k pounds)

Also, how difficult is the exhaust to bolt on. Thinking with a good set of sockets I can knock it out in a few hours and save money on instal
Posted by FournetteForEver7
Member since Nov 2015
2296 posts
Posted on 6/6/18 at 1:39 pm to
My buddy can do efi live single tune for you. Honestly would find an exhaust shop to put pipe on. Can do it yourself but why put up with the headache.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 6/6/18 at 1:40 pm to
I strongly suggest keeping the horsepower as close to stock as possible. Not sure how in depth they get with those tunes but I would keep the torque curve as close to stock as itll let you, especially since you occasionally pull heavy. Bump the torque up and you're going to break stuff. Go way up on torque, hook up something heavy, bury your foot in the skinny pedal and you'll have that allison burnt up in no time.

Exhaust should be fairly simple especially if it uses v band clamps. Kroil the night before, maybe a little heat, oughta all come apart fairly easily.
Posted by Pepperidge
Slidell
Member since Apr 2011
4314 posts
Posted on 6/6/18 at 1:42 pm to
save your DPF, as you will not be able to resell the truck otherwise.



those LMM's see a nice improvement without the dpf

Congrats on the better fuel mileage!
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 6/6/18 at 2:10 pm to
The exhaust is heavy, but doable by one person. Use a floor jack if it is too heavy.

Don't go crazy on the tune, and get a good real-time monitor. Idk if you can, but set it to detune when certain parameters are reached (EGT, boost, fluid temps, etc)
Posted by Fachie
Magnolia
Member since Mar 2017
449 posts
Posted on 6/6/18 at 2:45 pm to
Many shops/tuners have a "stock" tune that will make the truck much more responsive, without tearing itself up. The EFI live world is much more than saying "Gemme a 30 horse tune Willard." Typically the "there goes the tranny" threshold is "100hp".
Posted by bayoudude
Member since Dec 2007
24958 posts
Posted on 6/6/18 at 2:49 pm to
Currently running ezlink did fill egr delete with 4” straight pipe on my 2012 powerstroke. Installer put me a turn knob so I can flip between stock and 150 hp in 50 hp increments at will. I leave it hot for around town and free highway running and detube to stock while pulling my fifth wheel.
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 6/6/18 at 5:34 pm to
Only reason I’m doing any of it is because twice in the last 2 weeks my truck has gone into limp mode. Just wanna get this crap off my truck.

Posted by Sea Hoss
North Alabama
Member since Jul 2013
852 posts
Posted on 6/6/18 at 5:42 pm to
Go ahead and get at least a 3 tune EFI live. You can have a light tow 20 HP, a heavy tow 45 hp and a street tune for everday driving at 90 horse. The exhaust is fairly simple in the driveway doing it alone, but I just cut my OEM with a sawzall and let it fall out. I ran my truck on a PPE 120 horse tune for 2 years and it never once limped. I have since switched to an EFI live with a CTS2 monitor. The tranny will hold alot of torque stock before it goes into limp mode. It is really nice to swith tunes on the fly with the EFI live and a DPS switch. The other poster was correct in saying that an EFI live tune is much more than punching in a HP number and taking off. The tunes are written to keep the truck parameters safe from damaging the engine or tranny. I'm making enough power now with a stock tranny that I have to have a long pause between gears to ensure it engages when it hits the next gear. Good luck with whatever you choose to do.
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 6/6/18 at 5:48 pm to
The guy thats helping me on it said it will come pre set for my truck and then it’s just loaded on the computer. Said he needed my VIN, tire size, and desired HP.
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