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View Full Version : supercharged and turbo owners.. wat MPG u get?


sniperm
04-23-2009, 01:35 AM
what MPG are u guys getting?

im seeing some GOOD mpg with my turbo...

just normal driving hwy/city mix i get 32 mpg !! :wow:

when im driving crazy i still see 18 mpg !!

i used to get 18 mpg when i was stock!

when i was supercharged i used to get 22 mpg mix..

RACEMX-M3
04-23-2009, 01:40 AM
how are you measuring your mpg? if you're looking at the onboard bc you're being mislead.

sniperm
04-23-2009, 02:39 AM
how are you measuring your mpg? if you're looking at the onboard bc you're being mislead.

ooooooooooooohhhhhhhhhhh....

Safar
04-23-2009, 08:13 AM
The OBC assumes you're using stock injectors, which probably isn't the case.
And the OBC is a lying sob to begin with. Mine is always 6-12% optimistic, and that's even before I'm boosted.

bluejeansonfire
04-23-2009, 08:38 AM
how are you measuring your mpg? if you're looking at the onboard bc you're being mislead.

unless it's been recalibrated by epic factory ECU tuners. NickG FTW. I've calcuated my fuel economy on he highway, and there, my counter is accurate. I haven't verified city, but it seems on the ball at low teens with my constant boosting. On the highway it's 30+ @ 80+

Greg Ogden
04-25-2009, 01:38 AM
Last year when 4 of us (HPF cars) drove down to Bimmerfest we all got about 27 MPG ( average speed 80 mph), And Alvin and myself did the same heading down to Vegas for M-FEST 2.

ballsdeepm3
04-25-2009, 12:27 PM
the hpf cars get good mpg if you stay out of the boost. i would say almost like stock

Greg Ogden
04-25-2009, 04:42 PM
+1, i usually only noticed that mileage when i'm driving long distance, but around town it is pretty much the same as stock.:)

GIO_21
04-26-2009, 02:20 PM
I get about 20 MPG between city/highway but mostly city driving...S/C FTL lol

HPF Chris
04-26-2009, 03:14 PM
HPF Stage 1 & 2 turbo systems get about the same mpg as stock during normal daily driving. I'm estimating the HPF Stage 2.5 will get roughly 2 mpg less than stock (low compression), and the HPF stage 3 & 4 will get roughly 4 mpg less than stock (low compression and 1200cc injectors). That's only a guess. Any stage 2.5 or 3 customers checked your mileage?

Chris.