31mpg??
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Tourer
Joined: Nov 2012
Posts: 497
Likes: 0
From: PA
31mpg??
Put on a PCV and gas milage fell from about 37-38mpg to 31-32. this seems extreme for the mild power boost. Is this typical??? I'm not being heavy handed either I got this mpg on a slow group ride.
Road Master
Joined: Aug 2010
Posts: 770
Likes: 3
From: Wabash
My tune is dead on and I too dropped numbers close to those. I have tons of other performance mods too..cams, intake, throttle body etc.....I know this the more power and tq u make the less mileage u get.
Have the tune checked to be sure it's all where its supposed to be and then if the numbers don't improve carry on knowing there's going to be a trade off with increased performance in the rom of decreased mpg. That's a reality in the MC world just like the car world. Harley's rarely maintain the good stock gas mileage after we start making them run the way our money should have gotten them to begin with.
Have the tune checked to be sure it's all where its supposed to be and then if the numbers don't improve carry on knowing there's going to be a trade off with increased performance in the rom of decreased mpg. That's a reality in the MC world just like the car world. Harley's rarely maintain the good stock gas mileage after we start making them run the way our money should have gotten them to begin with.
Ultimate HDF Member
Joined: Feb 2009
Posts: 5,132
Likes: 228
From: Garland, TX
That don't sound right. My 07 fxd with screamin eagle stage 1 intake with k&n filter, vance and hines straight shot slip ons, vance and hines fuelpak and nightrider xieds gets around 38-40mpg.
Tourer
Joined: Apr 2011
Posts: 348
Likes: 0
From: Jensen Beach Florida
I have basically the same thing and get the same mileage (38-39mpg) but the Xied's are not true tuners. I suspect the PCV and others use more fuel throughout the power band. Makes me glad I have the Xieds.
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Road Warrior
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