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Unread 11-19-2001, 08:39 AM   #1
Dan Morera
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Join Date: Nov 2001
Location: Costa Rica
Posts: 187
Fuel Economy

I'm thinking about putting a 4" lift and 31", right now I'm running on stock, my avg. milleage is 20mpg on the highway, how is the lift and tires gonna afect my fuel economy?

and what susp. lift and body lift you recommend (inches)?

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YJ Sahara 88, 258 I6, BA/10
2.5" Susp. Lift (Aprox.), 1" Shackles 31x10.5" Cooper
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Unread 11-19-2001, 09:09 AM   #2
glm 87 wrangler
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Join Date: Sep 2001
Location: Fayetteville NC
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WOW a 4.2 that gets 20 mpg great!I have a 4.2
with 31/10.50 15inch rims.I only get around 15mpg if im lucky! But im running a weber carb,and a tfi ignition upgrade runs good but still get 15 mpg.I thought that was normal.WOW!! 20mpg.
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Gary 87 Wrangler 4.2 258 with weber carb and TFI upgrade.
31/10.5 and Nutter bypass!
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Unread 11-19-2001, 09:14 AM   #3
Dan Morera
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It's pretty good for the highway but I'm only getting about 14mpg on the city.
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YJ Sahara 88, 258 I6, BA/10
2.5" Susp. Lift (Aprox.), 1" Shackles 31x10.5" Cooper
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Unread 11-19-2001, 02:29 PM   #4
Dan Morera
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Join Date: Nov 2001
Location: Costa Rica
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Hey guys, I need a little help here.
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YJ Sahara 88, 258 I6, BA/10
2.5" Susp. Lift (Aprox.), 1" Shackles 31x10.5" Cooper
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Unread 11-19-2001, 08:02 PM   #5
powjunkie
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Join Date: Oct 2001
Location: Austin
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I have a 4"Pro comp and I run 33's with no rubbing problems. I don't necessarily recommend Pro Comp, though. I think there are lifts out there with better riding springs. As far as the gas mileage, I get around 15 mpg driving a combo of city/highway.
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94 YJ 4", SYE, 33 mud t's on MT classics; 4.10's with Detroit Truetrac in rear
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