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| Fuel Economy http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=92916 |
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| Author: | DieselJeepLuvr [ Sun Apr 21, 2024 1:01 pm ] |
| Post subject: | Fuel Economy |
So my current Libby came (used) with a custom bull bar/winch mount with 2 big round PIAA spot lights which I absolutely love in the winter or when driving back roads at night. They turn night time into day but I've always wondered how they affect my fuel economy. I currently average 22 mpg cruising on the freeway at 75 mph. I'm a practical person so I don't have a lift kit and oversized tires even though I live in the mountains. If we get too much snow I fire up my 93 Dodge CTD with the snow plow... Now that the weather is getting better out I decided to do some experimenting to see what my maximum fuel economy could be so this is what I did. As you know I build custom thermostats and the first thing I noticed when I started running a hotter coolant temp was about 2 mpg improvement. Maybe it's my imagination, maybe not. Next I removed the A/C clutch fuse because I noticed the compressor would kick on and off all the time. That got me up to about 26 mpg. A couple weeks ago I removed the bull bar/spot light assembly and did my usual long distance commute and hand calculated 29.98 mpg! That's awesome! I haven't see that kind of fuel economy since the first Libby I owned! Just remember what you're doing to your fuel economy when you add things like lift kits, oversized tires, spot lights etc. |
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| Author: | 03black [ Mon Apr 22, 2024 12:46 am ] |
| Post subject: | Re: Fuel Economy |
Yep, i used to get close to 30mpg on mine, but when i put on the 4" lift, 32" tires, ARB bumper, winch, rock sliders, roof rack, and 3/16" skid plates...my mpg is now sitting at 19mpg. Sucks but I get the enjoyment of having a capable off road rig that can go places most Wranglers go.  Plus it turns heads 
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