Worse gas mileage with tune!!!

Predator support for GM gas vehicles

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sseeya2001
Posts: 44
Joined: Tue Aug 25, 2009 4:30 pm

Worse gas mileage with tune!!!

Post by sseeya2001 »

I dont understand it my fuel mileage has dropped drastically, since adding the tune!!! Can anyone tell me why!!! LMAO
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2007 Z71 5.3L S&B CAI, Flowmaster catback, Diablo Programmed.
Chuck_yager
Posts: 106
Joined: Tue Apr 13, 2010 2:13 pm

RE: Worse gas mileage with tune!!!

Post by Chuck_yager »

Maybe something to do w/ you turning 5 grand on the tach when you took this pic......??? LOL :lol:
'07 GMC Sierra 1500 4x4 crew
5.3 Iron Block, Auto
Long Tubes, No Cats, Flowmaster
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sseeya2001
Posts: 44
Joined: Tue Aug 25, 2009 4:30 pm

Post by sseeya2001 »

Hope thats better.
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2007 Z71 5.3L S&B CAI, Flowmaster catback, Diablo Programmed.
Chuck_yager
Posts: 106
Joined: Tue Apr 13, 2010 2:13 pm

Post by Chuck_yager »

Nice not to have the speed limiter anymore isn't it? It gets alittle squirly after the speedo gets pegged out doesn't it?
'07 GMC Sierra 1500 4x4 crew
5.3 Iron Block, Auto
Long Tubes, No Cats, Flowmaster
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sseeya2001
Posts: 44
Joined: Tue Aug 25, 2009 4:30 pm

Post by sseeya2001 »

yea thats the truth still fun though...
2007 Z71 5.3L S&B CAI, Flowmaster catback, Diablo Programmed.
Chuck_yager
Posts: 106
Joined: Tue Apr 13, 2010 2:13 pm

Post by Chuck_yager »

You need things like that to know you're alive! 130 is easy in a camaro.... Its when your are in a crew cab 4x4 that makes it interesting! LOL
'07 GMC Sierra 1500 4x4 crew
5.3 Iron Block, Auto
Long Tubes, No Cats, Flowmaster
sircolby45
Posts: 35
Joined: Thu May 14, 2009 6:50 pm

Post by sircolby45 »

Hmm it appears that you have a weight issue....By that I mean your foot lol!
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