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econ and power mode 

 

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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 3:06 pm 
Getting Side Ways
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TROYMAN wrote:
the power/econ mode is for auto gear changes only, econ mode shifts gears early at low rpm...
does nothing for engine performance...


+1, I actually think Econ mode is better for straight line WOT. It shifts earlier. There no point revving a stocker into the redline, they make max power at 4900rpm.

 

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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 3:16 pm 
Getting Side Ways
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GeZza200 wrote:
TROYMAN wrote:
the power/econ mode is for auto gear changes only, econ mode shifts gears early at low rpm...
does nothing for engine performance...


+1, I actually think Econ mode is better for straight line WOT. It shifts earlier. There no point revving a stocker into the redline, they make max power at 4900rpm.



I agree with this. But, with regular driving, econ shifts too early and power shifts too late.

 

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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 3:50 pm 
Getting Side Ways
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evxr6 wrote:
GeZza200 wrote:
TROYMAN wrote:
the power/econ mode is for auto gear changes only, econ mode shifts gears early at low rpm...
does nothing for engine performance...


+1, I actually think Econ mode is better for straight line WOT. It shifts earlier. There no point revving a stocker into the redline, they make max power at 4900rpm.



I agree with this. But, with regular driving, econ shifts too early and power shifts too late.


And with a t5 it's spot on :D
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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 3:56 pm 
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GeZza200 wrote:
TROYMAN wrote:
the power/econ mode is for auto gear changes only, econ mode shifts gears early at low rpm...
does nothing for engine performance...


+1, I actually think Econ mode is better for straight line WOT. It shifts earlier. There no point revving a stocker into the redline, they make max power at 4900rpm.


yep, i run a better 1/4 mile time using econ mode...
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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 8:29 pm 
Getting Side Ways
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unless you have a cam haha, loves 6000rpm.

 

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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 8:36 pm 
Getting Side Ways
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TROYMAN wrote:
GeZza200 wrote:
TROYMAN wrote:
the power/econ mode is for auto gear changes only, econ mode shifts gears early at low rpm...
does nothing for engine performance...


+1, I actually think Econ mode is better for straight line WOT. It shifts earlier. There no point revving a stocker into the redline, they make max power at 4900rpm.


yep, i run a better 1/4 mile time using econ mode...


really? damn BAs dont have econ mode.
i only go to the drags to see how good fuel economy i can get down the qtr too :roll: :roll: :lol:

 

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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 8:43 pm 
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GeZza200 wrote:
unless you have a cam haha, loves 6000rpm.


if i run mine down the 1/4 in power mode it hits the limiter (5900 rpm) before it changes gear, in economy it changes at 5600rpm , perfect for my combination..lol
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 Post subject: Re: econ and power mode
Posted: Wed Feb 15, 2012 8:46 pm 
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GeZza200 wrote:
unless you have a cam haha, loves 6000rpm.

+1
My i6 loves it's cam.

 

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 Post subject: Re: econ and power mode
Posted: Fri Feb 17, 2012 11:38 am 
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It's not shifting 'too early'.
I'm make a general point here, but the quicker one changes into a higher gear, one gets better fuel economy?
So, the econ mode means that when it can shift to a higher gear without affecting usable performance, it does so.
If it shifted 'too early', it would cause the revs to fall to the point where performance becomes unusuable, so it would then have to change down once more to increase revs, and get back to usable performance.
That doesn't happen in autos on economy mode.

 

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 Post subject: Re: econ and power mode
Posted: Fri Feb 17, 2012 11:45 am 
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paul w wrote:
It's not shifting 'too early'.
I'm make a general point here, but the quicker one changes into a higher gear, one gets better fuel economy?
So, the econ mode means that when it can shift to a higher gear without affecting usable performance, it does so.
If it shifted 'too early', it would cause the revs to fall to the point where performance becomes unusuable, so it would then have to change down once more to increase revs, and get back to usable performance.
That doesn't happen in autos on economy mode.

i got better economy in power mode driving sensible than i did in economy mode... in economy it changes early then you need to put the foot down more to get the car moving and then it decides not to go back a gear unless your holding the pedal down really hard than it takes off screaming back in first gear, power mode holds the gears just the little bit more, which makes the next gear more into the engines power range therefore not needing as much pedal effort, saving petrol :roll:

 

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 Post subject: Re: econ and power mode
Posted: Fri Feb 17, 2012 2:08 pm 
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bry40l wrote:
i got better economy in power mode driving sensible than i did in economy mode... in economy it changes early then you need to put the foot down more to get the car moving and then it decides not to go back a gear unless your holding the pedal down really hard than it takes off screaming back in first gear, power mode holds the gears just the little bit more, which makes the next gear more into the engines power range therefore not needing as much pedal effort, saving petrol :roll:

Agreed

 

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 Post subject: Re: econ and power mode
Posted: Fri Mar 02, 2012 2:42 am 
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bry40l wrote:
i got better economy in power mode driving sensible than i did in economy mode... in economy it changes early then you need to put the foot down more to get the car moving and then it decides not to go back a gear unless your holding the pedal down really hard than it takes off screaming back in first gear, power mode holds the gears just the little bit more, which makes the next gear more into the engines power range therefore not needing as much pedal effort, saving petrol :roll:


ive noticed that as well, au 2 ute on straight gas, 300kms or less per tank on econ mode.
power or normal (?) mode i can easily push 400-500kms..

and i have noticed that i can accelerate noticeably quicker on econ mode.. hitting about 2500rpm before a gearchange feels like about 3500-4000rpm on power mode...
perhaps something to do with running straight gas setup but still using a petrol ecu?

 

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