mpg loss with exhaust mods?
#1
11-14-2000, 05:02 PM
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mpg loss with exhaust mods?
I had a magnaflow single in dual out 2 1/2 inch pipes installed and am wondering if its my foot or the new exhaust system that is effecting my gas milage,evan though I haven't run through a full tank with it yet, my 1/4 tank readings seem lower. Any thoughts are welcome or comments are welcomed.
#2
11-15-2000, 10:36 AM
Winter fuel blends will produce lower fuel economy. I can't imagine the exhaust causing an increase in fuel usage. I have the same exact exhuast setup, Magnaflow si/do
and I have noticed a lot more power, smoother idle/acceleration, and a 1 mpg increase in fuel economy. I was getting about 15 mpg +- .5 combined city and highway driving. I now get about 16 mpg +- .5 combined city and highway driving.
Give the computer some time to adjust the fuel maps before making a judgement. It could take a couple tanks of fuel to notice the change.
and I have noticed a lot more power, smoother idle/acceleration, and a 1 mpg increase in fuel economy. I was getting about 15 mpg +- .5 combined city and highway driving. I now get about 16 mpg +- .5 combined city and highway driving.
Give the computer some time to adjust the fuel maps before making a judgement. It could take a couple tanks of fuel to notice the change.
#3
11-16-2000, 05:29 PM
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yep, I have to agree.. I just installed a Ravin Z55 on my truck (just removed the stock muffler and replaced with the ravin)and have noticed a nice mpg increase. that needle seems to take a little longer to get to the bottom now.. I think the K&N had a little somethin' to do with it too.
Last time I checked it out.. I think I was @16.5 mpg or thereabouts..
if anything lighten up on that right foot a little =)
Last time I checked it out.. I think I was @16.5 mpg or thereabouts..
if anything lighten up on that right foot a little =)
#4
11-16-2000, 05:30 PM
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#5
11-16-2000, 07:56 PM
My mods have added 1 mpg city and highway.
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2000 F-150 XL, RC, LB, 5.4L, 4R70W, 3.55LS,
Class III tow, Payload #3, & Convenience pkgs.,
4-wheel disc/ABS, Chestnut/Parchment 40/60,
Ford bedliner w/Paintsaver & gas/wheel/spare locks,
Mobil 1, 3" cold air box modification, Superchip,
Dynomax ultra-flow welded 3" cat-back w/ 3" Y-pipe,
Hellwig front & rear anti-sway bars, Rancho RS 9000s.
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2000 F-150 XL, RC, LB, 5.4L, 4R70W, 3.55LS,
Class III tow, Payload #3, & Convenience pkgs.,
4-wheel disc/ABS, Chestnut/Parchment 40/60,
Ford bedliner w/Paintsaver & gas/wheel/spare locks,
Mobil 1, 3" cold air box modification, Superchip,
Dynomax ultra-flow welded 3" cat-back w/ 3" Y-pipe,
Hellwig front & rear anti-sway bars, Rancho RS 9000s.
#6
11-16-2000, 10:56 PM
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#7
11-17-2000, 10:32 AM
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