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Old 04-23-2013, 06:31 PM   #1
Jeeper
 
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Why my 11 gets better mpg than a 13

So I have an 11 with 3.73 gear, 32x11 tires. I had a bone stock 13 with whatever the tiny tires are and most likely the 3.21 gear as a loaner vehicle when mine was in the shop for 4 long days
Findings. .. cause of the increased hp, I could not keep my foot off the gas. I averaged 14mpg with 200 of that highway, 100 city
Yep. Lead foot did it but I couldn't help myself...I will buy a 15 when mine is paid off , but really need to watch the quick take off and passing on the highway
Don't know if it means anything. .In the 13, at 55 mph it would stay@ 22 to 2300 rpm. My 11 stays at 1600rpm...I guess that's the gear??
Oh ya, I average 18 with city highway mix without a lead foot

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Old 04-23-2013, 06:44 PM   #2
TOK
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The Pentastar definitely ups the "fun-to-drive" level of the JK... Just like you, I noticed that it seems to be running higher RPM than I'm used to at highway speed. The engine seems to do it with ease and doesn't seemed stressed, but my pickup that runs under 2000 RPM at 65-70mph.
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