996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Fuelconsumption after Flash

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Old Jul 16, 2008 | 08:21 AM
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Fuelconsumption after Flash

Hello

What is the normal fuelconsumption after flashing ? The same ? higher ?
lower ?

Thanks !
 
Old Jul 16, 2008 | 08:47 AM
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Originally Posted by sandvik996tt
Hello

What is the normal fuelconsumption after flashing ? The same ? higher ?
lower ?

Thanks !
Our customers usually report improvements. We have actually spent time to ensure better mileage under normal driving conditions.

BTW - fuel consumption is directly related to driving style....I dont think many see better mileage the first tank of gas after being flashed .
 
Old Jul 16, 2008 | 08:56 AM
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Pre: 18mpg / 22 mpg, avg about 20.


Post: 16.5/ 26* (*6th gear at 70mph or so, cruise control), avg about 20....


In town or if I push, the simple fact of more air means more fuel...so lower mileage. But, if I am cruising and trying to get good mileage, it went up. For me, there was no net change. I suppose that for most people the change reflects the bias of their driving habits as much as anything else.

I drive harder now and seek out fun roads with curves, and keep the revs more at 3-4k now than before.....if I babied, mileage net would be up for sure.


JB
 

Last edited by jcb-memphis; Jul 16, 2008 at 09:22 AM.
Old Jul 16, 2008 | 09:01 AM
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Originally Posted by Tony@epl
Our customers usually report improvements. We have actually spent time to ensure better mileage under normal driving conditions.

BTW - fuel consumption is directly related to driving style....I dont think many see better mileage the first tank of gas after being flashed .
Tony is exactly right. My 1st tank after flash and mufflers was about 1-2 mpg less. Now I am about 1-2 more...driving nice of course. I get about 25-26 on the highway and about 20-21 jackass'n on the backroads...
 
Old Jul 16, 2008 | 09:15 AM
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Originally Posted by ttboost
Tony is exactly right. My 1st tank after flash and mufflers was about 1-2 mpg less. Now I am about 1-2 more...driving nice of course. I get about 25-26 on the highway and about 20-21 jackass'n on the backroads...
. Thanks for chiming in Mike.


This is my flash. +2mpg or so here. I have had reports of up to +5mpg on the highway from other customers.
 
Old Jul 16, 2008 | 09:34 AM
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I don't know.... but my tireconsumption has gone up.

A
 
Old Jul 16, 2008 | 09:40 AM
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Originally Posted by ard
I don't know.... but my tireconsumption has gone up.

A

Mine too!!! Specially the fronts!!!
 
Old Jul 16, 2008 | 09:43 AM
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Originally Posted by Tony@epl
. Thanks for chiming in Mike.


This is my flash. +2mpg or so here. I have had reports of up to +5mpg on the highway from other customers.

I'm thinkin 25-26 on the highway for hotrod is pretty good?

Tony,
If you had a chance, any news on my turbo(s)?
M
 
Old Jul 16, 2008 | 12:37 PM
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10.2 MPG. 14 MPG before flash.
 
Old Jul 16, 2008 | 01:24 PM
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My actual MPG after the flash has slightly decreased, although the trip computer thinks it has increased.
 
Old Aug 8, 2009 | 11:12 AM
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New files from FVD installed, read off 0.9 bar on the new file ! Last file gave 1.0 bar and felt more "angry".
Dont know anything about the fuelconsumption yet !
 
Old Aug 8, 2009 | 11:36 AM
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YOUr MPG will go DOWN!!!, because you can't keep your foot out of it.


Originally Posted by sandvik996tt
Hello

What is the normal fuelconsumption after flashing ? The same ? higher ?
lower ?

Thanks !
 
Old Aug 8, 2009 | 11:38 AM
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Yes, they're weak. Must replace soon.

Originally Posted by ttboost
Tony,
If you had a chance, any news on my turbo(s)?
M
 
Old Aug 8, 2009 | 12:07 PM
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Originally Posted by BlackHorseTurbo
Yes, they're weak. Must replace soon.

It appears I am going to be the ONLY one NOT upgrading for this event!!!
 
Old Aug 8, 2009 | 12:30 PM
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I'm running EPL's and I generally can see up to 25-26mpg cruising at 70-80mph. Otherwise bewteen runs, city, and highway always get 17mpg or more.

Stock turbos, flash, straight pipes
 


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