3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Just got my 1st diesel and have some questions...

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Old Nov 19, 2007 | 04:30 PM
  #1  
kite_tmr's Avatar
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Just got my 1st diesel and have some questions...

Just got my 1st diesel and decided to join this forum to start learning. My prior vehicle was a 370whp 410t 4 cylinder Subaru wagon.

I bought a BIGHORN 2500 with the 6.7 liter. All recalls (as of Friday) are done and the truck runs like a champ (700miles so far). Started out getting around 12mpg and now i'm seeing 15.5 on the overhead (accurate?).
A few things i'm interested in and am hoping to learn in this thread:

1. I'd like to level the truck but want to keep a stock (feeling) ride and dont want to void warranty. Are just spacers ok?

2. i'm looking at different wheels, if i do a 2 inch leveling kit what size wheels/tires do most run?

3. When using the block heater, how many hours is too much? what outside temp justifies using it?

4. Do you think alternative fuels (diesel) will be available for us anytime soon?

5. Whats up with idling these rigs?

6. Anyone using engine management on the 6.7's yet? Do they leave evidence on the ECU after being removed?

On the Subaru forums i frequented i was one of the older members who bashed threads like this (lol). If that is you here, feel free to use sarcasm or feel free to give your opinions on any of the topics i have mentioned.

Any info or suggestions/comments will be greatly appreciated...

I will also search threads for these topics.
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Old Nov 19, 2007 | 05:55 PM
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[QUOTE=kite_tmr;1798339]5. Whats up with idling these rigs?

idling causes clogging of the dpf (diesel particulate filter) more frequent.
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Old Nov 19, 2007 | 06:16 PM
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white250005's Avatar
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From: Austin, TX
HEY MAN I WAS JUST GONA HELP YOU WITH SOME OF YOUR QUESTIONS I HAVE 17'S AND 35'S WITH NO SPACERS. i DONT KNOW MUCH ABOUT THE BLOCK HEATING. THE IDLING IM NOT SURE ABOUT EITHER BUT ON MY 5.9 MY TRIPLE DOG HAS AN IDLE UP OPTION ON IT WHICH IS PRETTY NICE. i LOOK AROUND A LITTLE BIT ABOUT THE 6.7'S AND I THINK THAT BULLY DOG HAS SOMETHING OUT AND I BELIEVE EDGE HAS SOMETHING OUT FOR IT ALSO
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Old Nov 19, 2007 | 10:27 PM
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Thanks fro the input. Hey WHITE, got any pics of your rig? I'd like to see it with the 35's...thanks
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Old Nov 20, 2007 | 08:23 AM
  #5  
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From: San Diego, CA
Originally Posted by kite_tmr
Just got my 1st diesel and decided to join this forum to start learning. My prior vehicle was a 370whp 410t 4 cylinder Subaru wagon.

I bought a BIGHORN 2500 with the 6.7 liter. All recalls (as of Friday) are done and the truck runs like a champ (700miles so far). Started out getting around 12mpg and now i'm seeing 15.5 on the overhead (accurate?).
Mine seems pretty accurate, but I never reset it. Accuracy seems better if you don't reset it. Try hand calculating to compare.

A few things i'm interested in and am hoping to learn in this thread:

1. I'd like to level the truck but want to keep a stock (feeling) ride and dont want to void warranty. Are just spacers ok?

2. i'm looking at different wheels, if i do a 2 inch leveling kit what size wheels/tires do most run?
Sorry, don't know this one. I run stock wheels and it doesn't look unlevel to me.

3. When using the block heater, how many hours is too much? what outside temp justifies using it?
I'd plug in below 20F. Heater draws 650 watts so you might want to get a timer. I use a timer to turn on 2 hours prior to leaving.

4. Do you think alternative fuels (diesel) will be available for us anytime soon?
Don't know, but the 6.7L seems VERY sensitive to additives/fuel quality with the emissions filter. Be careful.

5. Whats up with idling these rigs?
Latest flash is supposed to address regeneration while idling. You may also want to have the high idle feature enabled by the dealer. This lets you manually set idle speed between 1100-1500 with the cruise controls.

6. Anyone using engine management on the 6.7's yet? Do they leave evidence on the ECU after being removed?
No idea. I run stock. Most (if not all) programmers leave some sort of footprint even if it is just something like number of starts being low.

On the Subaru forums i frequented i was one of the older members who bashed threads like this (lol). If that is you here, feel free to use sarcasm or feel free to give your opinions on any of the topics i have mentioned.

Any info or suggestions/comments will be greatly appreciated...

I will also search threads for these topics.
Welcome to the forum! Enjoy the truck.
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Old Nov 20, 2007 | 08:35 AM
  #6  
2rowdy's Avatar
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From: Shallowater , TX CSA
Originally Posted by kite_tmr
Just got my 1st diesel and decided to join this forum to start learning. My prior vehicle was a 370whp 410t 4 cylinder Subaru wagon.

I bought a BIGHORN 2500 with the 6.7 liter. All recalls (as of Friday) are done and the truck runs like a champ (700miles so far). Started out getting around 12mpg and now i'm seeing 15.5 on the overhead (accurate?).
A few things i'm interested in and am hoping to learn in this thread:

1. I'd like to level the truck but want to keep a stock (feeling) ride and dont want to void warranty. Are just spacers ok?

I installed mopar 988 springs. It stiffend up the ride a bit. Raised front end about 1 1/2"

2. i'm looking at different wheels, if i do a 2 inch leveling kit what size wheels/tires do most run?

I run stock so it will fit in my garage.

3. When using the block heater, how many hours is too much? what outside temp justifies using it?

Never used block heater

4. Do you think alternative fuels (diesel) will be available for us anytime soon?

5. Whats up with idling these rigs?

Ecm records idling at 1100 rpm or less, so if dpf clogs up and the dealer decides excessive idling guess who foots the bill. Have you high idle enabled.

6. Anyone using engine management on the 6.7's yet? Do they leave evidence on the ECU after being removed?

Supposedly smarty doesn't. I can't wait to get one.

On the Subaru forums i frequented i was one of the older members who bashed threads like this (lol). If that is you here, feel free to use sarcasm or feel free to give your opinions on any of the topics i have mentioned.

Any info or suggestions/comments will be greatly appreciated...

I will also search threads for these topics.
Lots of reading available. Have at it.
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Old Nov 20, 2007 | 08:45 AM
  #7  
DaveB.inVa's Avatar
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From: Nickelsville, Va
I know you guys are running 6.7's but my overhead is always between 8% and 11% high on the mileage.

Since you just got the truck, have some fun. Create an Excel spreadsheet to calculate your mileage. That way you can see trends through the life of the truck.
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Old Nov 20, 2007 | 08:58 AM
  #8  
kite_tmr's Avatar
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Lots of good info guys, Thanks.
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