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More power

Mr. Nobody

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How fast are the tunes normally out of beta? I’m guessing it’ll technically do some warranty voiding if Toyota wanted to play that game?
Yes. It sure would effect your warranty of Toyota knew what you were doing. That said the tune is undetectable at the dealer. They can't read the ecu program in that way.
 
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  • #22

Pinion

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I think just about everything I’ve done is warranty voiding if Toyota wants to play that game. modified driveline, suspension, electronics, 3 batteries, cut various holes in it just to mention but not limited to
 

Audidood

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Happy with it until i regeared
How did the regearing change the performance? Does it increase throttle response or mpg? I'm scraping by on 15mpg now that i upgraded to 285s, and the performance suffered dramatically from 265.
 

Mr. Nobody

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How did the regearing change the performance? Does it increase throttle response or mpg? I'm scraping by on 15mpg now that i upgraded to 285s, and the performance suffered dramatically from 265.
I just regeared to 5.29's myself, so I'm now geared with OVTune.

The gears basically take the entire spread of useable rpm range and makes it smaller. Imagine looking at your hand, spread your fingers wide open and imagine each finger is a gear. To the left and right of each gear is speeds that each adjacent gear can access and work at, for example 3rd and 4th can both be used at 45 mph. For our trucks, your fingers from the factory are stretched ridiculously wide. Almost break your hand wide, and the truck just doesn't make enough power to even keep the truck in 5th and 6th gear as it has to overcome the resistance it sees at those speeds.

Then you install gears and your hand is now comfortably spread, not stretched. Each gear isn't so damn far from the next and when the truck upshifts it doesn't immediately feel like it is so low in the next gear that it's going to bog down. Instead it feels more like it falls closer to that sweet spot of lower rpm torque. At the same time once you get up into a higher gear the truck has less trouble holding that gear because it's got that nice torque on the lower end.

Does that make sense to anyone?

In the end is it faster? Does it accelerate quicker? I don't know. Does it get better mpg? Too early to tell for me but I think it may because the truck is less likely to be jumping around into different gears all the time. Instead it can just hold a single gear and actually cruise.
 
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Pinion

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The 4.88’s I did made the power more accessible, I did go to 33’s and added weight. Believe it or not, still haven’t installed the tune
 

Mr. Nobody

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The 4.88’s I did made the power more accessible, I did go to 33’s and added weight. Believe it or not, still haven’t installed the tune
Are you running the base OVTune? Or just haven't installed the software at all?

I'm going to try the 4.88 tune with the 5.29s just to see how it works and also request a custom 5.29 tune.
 
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  • #28

Pinion

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Trying to “find “ which is the 4.88 tune
have been distracted
running the performance tune at the moment
 

Mr. Nobody

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Trying to “find “ which is the 4.88 tune
have been distracted
running the performance tune at the moment
Did you check the public page??

 
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Pinion

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For some reason the tune won’t download
 
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Pinion

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I have it on laptop, just can’t get it to load on tune app
 

Mr. Nobody

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Sometimes the flash program can be finicky. I haven't had many issues but I have had a couple of hickups.
 
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Pinion

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Finally got tune loaded today, let’s see how it goes
2. 4.88 91 oct
 

Mr. Nobody

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I need to flash the 4.88 tune myself. I have 5.29'ds but I'm curious how it'll run before I request custom tuning.
 
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  • #36

Pinion

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Truck feels lighter, very smooth shifting. Very pleased. Doesn’t feel like a tank anymore
 
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