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Discussion Starter · #1 ·
Hey guys,

Took my SUV to the track again this past weekend to see what the 100 octane tune can do. This is probably good for those with LMS to see what you can do on 100 octane vs. 93.

Previous best was 13.384 @ 102.14 on 93 octane.

2015 Edge Sport
4640 lbs
Zero weight reductions
Stock rims and tires
LMS V1 tune - first and only release updated 11/15 (not the new MKX tune out, old tune... will they ever release a new tune?!).
K&N paper filter
100 octane

 

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Were you running straight 102 Race Gas or a mix - I think our edge will get around 13.3 on a 93 Octane- as posted did a 13.5 and it has less than 2000 miles on it
Also what was your launch rpm -
 

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nice times!
 

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Discussion Starter · #4 ·
Were you running straight 102 Race Gas or a mix - I think our edge will get around 13.3 on a 93 Octane- as posted did a 13.5 and it has less than 2000 miles on it
Also what was your launch rpm -
Straight 100 gas. I launched around 2100-2200 rpm. I did re-flash the tune right before heading to the track so I am not sure if the ECU had time to learn the car to make the best run, but who knows :)
 

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What's the best way to make sure your car is using the higher octane? Do you need to reflash, or will it make adjustments over time on its own with a few miles? I'm guessing a few WOT romps would let it know it's got some octane overhead, but I don't know.
 
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I would think the computer is always advancing the timing until it detects knock, then pulls timing.
I agree, at least to some degree. That's how you can run 87-93 stock. But a tune focused on one octane would be better, and certainly required for 100 in my opinion.
 

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run the octane your tune is set for. GT states he was on a 100 octane tune instead of the 93 tune.
Hurrdurr... somehow I must've glazed over that part...
 
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