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Discussion Starter · #1 ·
I can't put my finger on it but my 04 had GOBS more power than my 08. When I floored it in the 04, you'd get pushed back in your seat instantly. In the 08, it's VERY gradual getting up to snuff but gets full power eventually. Anyone else notice this? Are we not getting full power from a dead start ala GM? WTF?
 

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The 2008 Titans are programmed to run RICH...RICH...RICH!!!

Not sure if that corrects itself with mileage or not.....but I know the dyno's I've seen.......way too rich for power.
 

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Mine (2007) woke up after about 10,000 miles. Almost like someone threw on a switch. I have always wondered if the ECU is programmed differently during break in. The other consideration is a difference in torque management making it less shift happy at lower RPM's compared to my 2005.
 

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I totally agree with you HudsonValley. My 04 was a monster. My 06 didn't seem to wake up until 10K, then it seemed very quick. Now on the 08.. Very slow to take off. But, slam in doing 40mph and I think it will run away from the 04 and 06. Hoping it really wakes up around 10K miles too.
 

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I love mine like it was still day number one of driving..

This bigass truck will run !!!!!!!!!!!

I heard the same from some other 08 owners....
 

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04 was said to have better throttle response down low than the 05, 06. UpRev has said that there is a 5 k breakin in the ECU, so what you are saying makes some sense. But, the 08 is a more powerful engine.
 

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Took my 06 to about 5000 miles to start letting loose.

Now it can smoke the tire from a dead stop..... LOL

 

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Discussion Starter · #8 ·
I sure hope it will wake up soon. And yes, it's just a "from a stop" thing. Once going, it's a screamer...although I'm still not sure it would be able to take on my 04.
 

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well, if that's the case then i can't wait till i hit 5k miles!!!! i'm at just under 3k already and mine will roast the rear tires from a stop. yeah i hear ya from the 40-50mph roll this this is REALLY strong and these 07-08 motors don't stop pulling till redline!! they run right up to 6 grand and ask for more. i have slaughtered 2 hemis (1 4wd and 1 2wd) so far and can even run door to door from a 30mph roll with my friends 6.0 powerstroke with a chip and CAI and that truck is insane off the roll(can't get traction from a stop). i love my 08, but i really wish i had gotten an 07 left over due to the fact that they don't have the uprev or truetrac for the 08's and the UGLY headlights! but then again i do LOVE my 08 interior!
 

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I've got to ask you guys. My truck will be ready on Wednesday and I bought my wife a new 2008.5 Armada 2 weeks ago.
Would it be better for me to wait till 5K or 10K to throw on a TrueFlow air filter and Edelbrock SDT muffler on each after the ECU break-in?
Or does it not matter, as long as I disconnect the battery to reset the ECU?
Oh, and when resetting the ECU, what's the disconnect time necessary?

Thanks!!:D
 

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MuskyHunter said:
Mine (2007) woke up after about 10,000 miles. Almost like someone threw on a switch. I have always wondered if the ECU is programmed differently during break in. The other consideration is a difference in torque management making it less shift happy at lower RPM's compared to my 2005.
Musky, Did you see an increase in MPG after 10K miles? If so, what was the before and after?
 

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WillieFlo said:
I've got to ask you guys. My truck will be ready on Wednesday and I bought my wife a new 2008.5 Armada 2 weeks ago.
Would it be better for me to wait till 5K or 10K to throw on a TrueFlow air filter and Edelbrock SDT muffler on each after the ECU break-in?
Or does it not matter, as long as I disconnect the battery to reset the ECU?
Oh, and when resetting the ECU, what's the disconnect time necessary?

Thanks!!:D

You should be able to do it without a reset, if you throw a code, there is a manual way to reset the ECU. The instructions are on here somewhere, I'll look for them, and post them unless someone beats me to it.
 

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Took my 08 in for some warranty work recently and they performed the 2 degree advance for free. That made my day!
Holy cow! After the advancement, I can now break the tires loose. Feels like an extra 20HP.
In the rain it's actually scarrrrryyyy! Can't keep the back end stable even being cautious.
The advancement is all in the low speed range. At high speeds you only notice a slight change.
The dealer told me there is more horsepower in the 08's. So I guess the question is as the title of this post, is the power being hidden. I think so if the advancement on my vehicle shows that much of a difference. But then again this is my first Titan.
Have not seen a post on the forum yet of Uprev stats. Might be interesting to see.
 

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Thanks bbomar,
I'll be waiting for them. I'm gonna go into my "secret stash" and get the Edelbrock done ASAP....:D
 

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Riverratt said:
Musky, Did you see an increase in MPG after 10K miles? If so, what was the before and after?
Yes I did, about 1-2 mpg doing some spot checks. I have all of that logged since I bought the truck, I just haven't compiled all of the information.
 

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I noticed if its in second gear too soon and you get on it, you wont get the pull that we love. but it all depends on what speed your already at.
 

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Could the difference in the power you are observing compared to older models be the Variable Valve timing in the 08's????? Personally compared to older models I've driven I think that the upper (4000K and UP) RPM's feel stronger. I can't wait to get the 2 degree timing advance done, I don't like the stock Goodyears anyway. Can't think of a better way to speed up their demise than burnin' them off.
 

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I've read someplace that the 2008's have a torque management program at lower speeds so we don't tear up as many rear diffs.
 

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RemedyX said:
I've read someplace that the 2008's have a torque management program at lower speeds so we don't tear up as many rear diffs.
Interesting. Maybe Nissan's solution to the diff. problem. Rather than correct/beef up the diff. components, limit stress on the existing parts to avoid the problem.
 

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I came out of a 10 year old truck to the Titan, so it feels super quick to me.
 
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