Question about Slippery Mode

[MaverickDragon]

Can't we all just get along...
I'm not sure as to the qualifications of the individual who will be conducting the Q and A, but I'm on the schedule to go over the functions and abilities with a Ford "Expert" in a couple of weeks.

I'll try to remember to include the slippery mode as all time drive option, as well as any positive or negative effects for that and the other drive modes.

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[surfstar]

Can't we all just get along...
I'm not sure as to the qualifications of the individual who will be conducting the Q and A, but I'm on the schedule to go over the functions and abilities with a Ford "Expert" in a couple of weeks.

I'll try to remember to include the slippery mode as all time drive option, as well as any positive or negative effects for that and the other drive modes.

Please be sure to specifically ask:
1) Why is Slippery Mode the best for gas mileage?
2) Why will ECO Mode destroy my HVB?!?

and clarify that you "read it on the internet" when they give you a WTF face

 

[Mavster Mechanic]

I get my best gas mileage in Slippery Mode.

People who take it seriously and give it a long term fair shot usually do!

 

[flashfearless]

I get my best gas mileage in slippery mode.

 

[Cherokee]

RFEJR said :
“Use this mode for less than ideal road
conditions such as snow and ice covered
roads or for firm surfaces that are covered
with loose or slippery materials.”

True dat !

I climb steep loose gravel and wet muddy gravel in slippery.
Per my dash individual wheel power meter it distributes equal power to all four all the time.

Until a wheel slips then it cuts power to only that wheel, the other three get that cut power.
It’s only a split second or less because the loose tire gets its grab ass back really quick.

 

[Art Vandelay]

Eco is very hard on the HV battery.
Within tolerances outside of the south-west summer, where it will probably overheat the battery and trigger reductions in performance, but ECO is worse for the battery.
Technically speaking.

You fixed nothing.

How do you know this about Eco being harder on the battery? I've never seen that posted anywhere else on this form in the past 4 years and I couldn't find any official sources to back that claim up. I'm not arguing, I'm genuinely curious about that claim.

 

[dochawk]

It’s only a split second or less because the loose tire gets its grab ass back really quick.

wow.

I really need to brush up on tire anatomy!

 

[Mavster Mechanic]

How do you know this about Eco being harder on the battery? I've never seen that posted anywhere else on this form in the past 4 years and I couldn't find any official sources to back that claim up. I'm not arguing, I'm genuinely curious about that claim.

I have been watching and recording the data from 40 to 50 of the truck's internal sensors for 3 years now with a $250 device: ScanGauge III.

It's on my dash full time.

Today, on a 45°F day my HV battery was 102°F in 1 hour of driving in Slippery Mode with lower regen amperage.

ECO mode (and more so using "L") setting heats the battery twice as quickly because the amperage is about double.

Don't get me wrong, I'm getting the same recharge just spreading it over more time.

Which sounds more gentle?

30 amps for 30 seconds of slowing?

60 amps for 15 seconds of slowing?

In a nut shell, that's the difference between Slippery and Eco in the FWD hybrid. (In addition to throttle mapping changes)

It's "probably" a minor difference no matter which mode you use. Just which is closer to "optimal"?

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