MPG Accuracy

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MPG Accuracy

Unread postby RIKIL » Tue Apr 11, 2017 12:55 pm

Is the MPG accurate that is logged with my tune? I just took two logs after my truck was warm, one short log and one several miles. I then exported the logs to excel and took the average of the MPG column and it seems a bit high but I am not sure.
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Re: MPG Accuracy

Unread postby SlowBox » Tue Apr 11, 2017 12:59 pm

The MPG payload is one I made. If it is inaccurate, that means that you didn't follow the directions for dialing it in to your injectors' high slope.
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Re: MPG Accuracy

Unread postby RIKIL » Tue Apr 11, 2017 1:35 pm

Is this correct or did I map it wrong?
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Posts: 638
Joined: Thu Jul 18, 2013 7:15 pm
Vehicle Information: Red, 1992 F150, 351W, 4R70W, Vortech V-2 Si trim blower, Snow Performance water/meth injection system, custom cam, Edelbrock Performer intake, Twisted Wedge 205cc heads, shorty full-length headers, MASS Air (converted), tuning with CBAZA / QuarterhorseRT, 4x4, short bed, 33" tires

Re: MPG Accuracy

Unread postby SlowBox » Tue Apr 11, 2017 2:03 pm

I take that back, that isn't mine. Mine has a separate value determining GPH then divides GPH by MPH to find MPG.
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4r70w, 3.73
GT-40P heads
Alex's Parts springs
Stock cam
9.7:1
GT-40 upper and lower
65mm TB
Decapped injectors
Single 70mm snail
U4P0/U4P2/CBAZA
TunerPro v5
Moates QH v1.6

Re: MPG Accuracy

Unread postby decipha » Tue Apr 11, 2017 9:20 pm

no i wouldnt put any true value into it, think of it as a dyno

its only real use is to let you know if your changes are positive or negative
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