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Old 06-28-2013, 07:42 PM   #1
jarrods2000tj's Avatar
Join Date: Aug 2012
Location: Bourbonnais IL
Posts: 280
No powah!!

I recently made the move from Illinois to laramie wyoming 1000 miles in my tj but now it has no power no get up an go i was wonder if it could be elevation or the fact it was on the highway for 1000 miles or what please help
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Old 06-28-2013, 09:48 PM   #2
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Location: St. Louis, MO
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I'd say it's due to a few things, mainly that you moved to a city that is over 7,000 ft above sea level. My old underpowered 4-banger Ford Escort especially didn't like climbing mountain passes when we'd take it out west on vacation.

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Old 06-29-2013, 08:57 AM   #3
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Location: The Silver State
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Make sure your air filter is clean and your Jeep is tuned up. There is little you can do about the loss of power at altitude beyond spending some pretty big bucks.

Here is a chart showing the different atmospheric pressures % at various altitudes compared to sea level. At 7000 ft, you can see there is 25% less pressure to pull from, so I believe you will have about 25% less available power to go with it.

0 100%
1,000 96%
2,000 92%
3,000 88%
4,000 85%
5,000 81%
6,000 78%
7,000 75%
8,000 72%
9,000 69%
10,000 66%
11,000 64%
12,000 61%
13,000 59%
14,000 56%

BTW - I just learned that a Jeep Wrangler set the high altitude record for 4x4 vehicles back in 2007... Wrangler Sets World Altitude Record
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Old 06-29-2013, 10:32 AM   #4
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Originally Posted by Off Pavement View Post

BTW - I just learned that a Jeep Wrangler set the high altitude record for 4x4 vehicles back in 2007... Wrangler Sets World Altitude Record
That's pretty awesome, thanks for sharing
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