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6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 19 Old 02-12-2010, 05:42 AM Thread Starter
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SCT Questions

I have the SCT Livewire. I've been going back and forth between the Extreme tune and the Performance tune. I've noticed with the Performance tune that I run higher fuel rail pressures, boost and EGT's. The Extreme tune numbers are lower. I don't believe higher EGT's are good but, in general, what are good numbers for boost and rail pressure and what tune is better for my truck? I'm more concerned with economy then running a great 1/4 mile.

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #2 of 19 Old 02-12-2010, 07:27 PM
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I have the same setup as you and I have noticed the same thing.

2008 F350 6.4 King Ranch, Custom 6 door conversion to fit all the rug rats, 6 inch Procomp lift, 20x10 KMC Diesels, 37x13.50 Toyo Open Country MT's, SCT Programmer and more to come

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post #3 of 19 Old 02-13-2010, 08:56 AM
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bump bump...

I'm also interested in this, SCT techs or Aaron got an input?

2008 6.4 Lariat F-350, SCT/Innovative tuned, FloPro DPF/DOC delete, AFE, Lund Sunvisor, grill, chrome handles and mirror covers, leveling kit, Nitto Terra Grapplers, tint.
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post #4 of 19 Old 02-13-2010, 09:04 AM
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The extreme tune will yeild the best mpg, it does better than my custom tunes and all my other canned tunes in the mpg department. Though all trucks react differently thats what gets the best mpg in my truck.

2008 F-250 FX4

Procomp 6" lift, MX6 Shocks
38/15.50/20 DC FCII
20" Black XD Hoss
SCT Livewire W/RCD 485 & 585
4" Flo-Pro Down Pipe
5" Flo-Pro Turbo back Exhaust
S&B CAI

I read that Haiti is without a Government. To help out, I am donating an Obama, Pelosi, Reid, Frank, Coakley, and two Clintons.

They may keep them. I'd give them a Constitution, but mine's missing!
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post #5 of 19 Old 02-16-2010, 03:09 PM Thread Starter
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SCT

Do lower EGT's, fuel rail pressure and boost translate to better mpg's and longer diesel engine life?

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #6 of 19 Old 02-16-2010, 04:21 PM
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The extreme tune will typically get the best mileage. I have never monitored with SCT canned tunes so I am not sure about that part. I always tell customers to use the extreme tune other than when they are towing.

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*CONTACT US FOR SPECIAL PACKAGE DEALS ON SPARTAN, SCT AND H&S PERFORMANCE DPF/CAT DELETE KITS*
(919) 383-9300 OR Toll-Free # 1-866-757-6537

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post #7 of 19 Old 02-16-2010, 04:29 PM Thread Starter
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SCT

A couple more questions. What tune is recommended for towing a boat (4k lbs) and do you all provide a better mpg tune for the SCT?

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #8 of 19 Old 02-16-2010, 04:40 PM
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Quote:
Originally Posted by bsudkamp View Post
A couple more questions. What tune is recommended for towing a boat (4k lbs) and do you all provide a better mpg tune for the SCT?
All of our SCT custom tunes come from Eric @ Innovative diesel. I have not tested the MPG on his tunes but some of his customers can chime in. With 300+ HP tune, its hard for me to drive easy.

You could tow 4K on any tune, just tow with your brain. I would not pull much more than that with the extreme tune though.

Sales @ Rudy's Diesel Performance
*CONTACT US FOR SPECIAL PACKAGE DEALS ON SPARTAN, SCT AND H&S PERFORMANCE DPF/CAT DELETE KITS*
(919) 383-9300 OR Toll-Free # 1-866-757-6537

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post #9 of 19 Old 02-16-2010, 06:12 PM
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Hey Aaron I sent a guy your way today, he's looking to get a SCT with a cat/dpf delete pipe. I told him your the man to talk to if he was going to buy one.

2008 F-250 FX4

Procomp 6" lift, MX6 Shocks
38/15.50/20 DC FCII
20" Black XD Hoss
SCT Livewire W/RCD 485 & 585
4" Flo-Pro Down Pipe
5" Flo-Pro Turbo back Exhaust
S&B CAI

I read that Haiti is without a Government. To help out, I am donating an Obama, Pelosi, Reid, Frank, Coakley, and two Clintons.

They may keep them. I'd give them a Constitution, but mine's missing!
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post #10 of 19 Old 02-16-2010, 06:19 PM
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Quote:
Originally Posted by SANDSAILOR View Post
Hey Aaron I sent a guy your way today, he's looking to get a SCT with a cat/dpf delete pipe. I told him your the man to talk to if he was going to buy one.
Thanks bro! I think he already called. Did you take him for a ride in your truck?

Sales @ Rudy's Diesel Performance
*CONTACT US FOR SPECIAL PACKAGE DEALS ON SPARTAN, SCT AND H&S PERFORMANCE DPF/CAT DELETE KITS*
(919) 383-9300 OR Toll-Free # 1-866-757-6537

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