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K2 Diablo Tune

sdog4127

By sdog4127
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Grjfer Enthusiast

Grjfer

Posted
Posted

I just added the basic 87 octane tune to mine. Firmer shift and speed limiter off. I'll run this for a while, and see how i like it before doing any other tweaks.

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sdog4127
sdog4127

I am planning on putting a spreadsheet together of all parameters so I can easily track what I change and how it performs real world. Not sure when I'll have the time to get this done, but it's my pla

jamoka3
jamoka3

I have been Looking to start a list of anyone running DiabloSport's inTune i2 Performance Programmer - i2030. I'm very Curious to know what others have done/ tried and what results they have received

Sierra Jon
Sierra Jon

So I messed with the i2 some more. I don't know enough about some of the parameters to mess with them (like advance or retard spark etc).  I think what I like most is the 91 tune with 20% throttle bo

SILVER SLED Senior Enthusiast

SILVER SLED

Posted
Posted (edited)

I have the tm turned off, and line pressure as high as it goes. With the 275/60 20 tires and 2.5 lift, my best 25 mpg is 28.1, best 50mpg is 27.3, best 400 is 20.1. It drives great, ran a 14.9 at the track. I usually get about 18ish mpg per tank. I just bumped throttle boost to 5% and it added a bit more throttle response, but seemingly cost a bit of mpg. Hard to say in the winter though.

 

I also have an air raid intake tube.

Edited by SILVER SLED
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Sierra Jon Enthusiast

Sierra Jon

Posted
Posted

I have the tm turned off, and line pressure as high as it goes. With the 275/60 20 tires and 2.5 lift, my best 25 mpg is 28.1, best 50mpg is 27.3, best 400 is 20.1. It drives great, ran a 14.9 at the track. I usually get about 18ish mpg per tank. I just bumped throttle boost to 5% and it added a bit more throttle response, but seemingly cost a bit of mpg. Hard to say in the winter though.

 

I also have an air raid intake tube.

That's impressive. Maybe I need to turn the throttle boost down a little. I thought it was all relative but I guess not... What kind of 275/60R20 tires?

 

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SILVER SLED Senior Enthusiast

SILVER SLED

Posted
Posted

That's impressive. Maybe I need to turn the throttle boost down a little. I thought it was all relative but I guess not... What kind of 275/60R20 tires?

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Hankook dynapro atm. They are not heavy lt tires.

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Steeks Enthusiast

Steeks

Posted
Posted

So quick Question since I have the 6.2 and they recommend 91 octane or greater do I do the 91 tune or the 93? Thinking since I have 6.2 on 91 it would already have a 91 tune. You guys following what I'm saying? Any recommendations

 

 

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15_silverado Enthusiast

15_silverado

Posted
Posted

So quick Question since I have the 6.2 and they recommend 91 octane or greater do I do the 91 tune or the 93? Thinking since I have 6.2 on 91 it would already have a 91 tune. You guys following what I'm saying? Any recommendations

 

 

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Depends on what fuel is available in your area. If you can get 93 Oct all the time then run the 93 tune. If only 91 Oct is available use the 91 tune. Check the pump know what your putting in it. If only 93 is available at some locations in your are but 91 is more readily available just downgrade to the 91 tune. Basically you can run higher Oct fuel on the lower Oct tune; just don't run the higher Oct tune on the lower Oct fuel....If that makes sense.

 

That's my opinion anyways. Because the timing for the higher Oct tune may be too advanced to run the lower Oct fuel.

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Steeks Enthusiast

Steeks

Posted
Posted (edited)

That's what I figured and what I went with (91 tune). Couple things I notice was, changed the tire size to 35/12 because it won't let me put in the .5/20s and now it's like 3 mph under what speed I'm going. For example we have two local radars on the streets around town and I set the cruise at 50 and both say 47. But my gas mileage went from 13-14 avg around town and 16 best to 17 town 20-21 highway. Which I'm happy with but how accurate is it with the speed O off by 3 mph? Was wondering if I should try putting in like a 285/65/20

 

 

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Edited by Steeks
15_silverado Enthusiast

15_silverado

Posted
Posted

That's what I figured and what I went with (91 tune). Couple things I notice was, changed the tire size to 35/12 because it won't let me put in the .5/20s and now it's like 3 mph under what speed I'm going. For example we have two local radars on the streets around town and I set the cruise at 50 and both say 47. But my gas mileage went from 13-14 avg around town and 16 best to 17 town 20-21 highway. Which I'm happy with but how accurate is it with the speed O off by 3 mph? Was wondering if I should try putting in like a 285/65/20

 

 

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Personally, I really wouldn't worry about 3 mph, that's very close and much better/accurate than some others have reported. Also I really believe those Street radars are a little on the low side(at least 1-2mph low) to give an officer better reasoning in court if need be; so with that said you may be actually within 1mph to dead nuts on. In my opinion no speedometer is dead nuts on anyways; there all a hair high to give you better reasoning. That's my opinion anyways.

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OldBlue61 Enthusiast

OldBlue61

Posted
Posted

 

After being fully warmed up, I always thought the motor idled a tad too low. When in gear at a stop (especially with the AC on) I would sometimes get a light 'shimmy' coming from the motor. RPM's would usually be just a little under 500. With the 50 RPM increase the motor is now idling smoother when in the same situation.

 

Same here. The idle could be a tad higher at a stop. Good to know I will be able to adjust it when I tune it.

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Sierra Jon Enthusiast

Sierra Jon

Posted
Posted

Personally, I really wouldn't worry about 3 mph, that's very close and much better/accurate than some others have reported. Also I really believe those Street radars are a little on the low side(at least 1-2mph low) to give an officer better reasoning in court if need be; so with that said you may be actually within 1mph to dead nuts on. In my opinion no speedometer is dead nuts on anyways; there all a hair high to give you better reasoning. That's my opinion anyways.

3 mph though (depending on what speed you're taking about) is going to be roughly 3-3.5% off... It's not just speedo, but odometer too. And MPG calculations etc... I'm wayyyy too OCD for that. It's actually how I justified the Diablo with the wife.

 

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sdog4127 Enthusiast

sdog4127

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Highly recommend. Just a couple mph will make. Big difference on ABS, traction control, Economy calculating, and ultimately shifting and acceleration

 

 

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  • 4 weeks later...
tyrich88 Enthusiast

tyrich88

Posted
Posted

Hey guys,

I just got my tune in and have been toying around with the settings and tunes for the last couple of days.
For those of you that have been running them for a while, what have you found to be the sweet spot on your adjustments?
I'm currently running the 91 octane tune (not the diablo 91+ tune) with speed limiter off, tire size changed and firm shift tune on.

I wasn't able to find the parameters to turn AFM off or do throttle boost for some reason. Didn't give me the option to modify the tune or change parameters from the menu or that pop up like what shows for tire size and speed limiter.

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gone_fishing Enthusiast

gone_fishing

Posted
Posted

Hey guys,

I just got my tune in and have been toying around with the settings and tunes for the last couple of days.

For those of you that have been running them for a while, what have you found to be the sweet spot on your adjustments?

I'm currently running the 91 octane tune (not the diablo 91+ tune) with speed limiter off, tire size changed and firm shift tune on.

 

I wasn't able to find the parameters to turn AFM off or do throttle boost for some reason. Didn't give me the option to modify the tune or change parameters from the menu or that pop up like what shows for tire size and speed limiter.

 

Did you use the advanced or easy tune? Advanced tune should allow you to access AFM and throttle boost. When you go through advanced you select your canned engine (91 or 87) and transmission tunes (firm,hard) then you should be able to select modify tune. This is where you can access more advanced settings for the engine and transmission.

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