Pro comp 5''stage ll lift and 35inch bf tires. - Jeep Wrangler Forum

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Old 05-18-2011, 10:40 AM   #1
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Pro comp 5''stage ll lift and 35inch bf tires.

OK I am new to this. but my question is what all do i need to do to keep OK gas mileage. I do drive it on the road 7 days a month. highways but i need to know best gears and if there is any other mods to trans case i need to do. any help you guys could give would help. i order the lift and tires and rims. now i need gears and what not. thanx for your help

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Old 05-18-2011, 10:45 AM   #2
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4Lo.com :: Gear Ratio & Tire Size Chart

You can use this chart to help determine your gear ratio based on your current set up. Hope it helps.

Not much you are gonna be able to do for mileage except keep it tuned up and good clean oil in it. You are still only looking a 1mpg or so.

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Old 05-18-2011, 10:58 AM   #3
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Thank-you. I think I will go with the 5.13s i am not to to worried about gas. I am offshore 3 weeks out of the month so I dont drive it that often. Do u know if i would need to change the the cv or lower trans case.
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Old 05-18-2011, 11:27 AM   #4
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It depends. I didn't "need" the SYE and CV shaft with my 4" lift, but I got good at swapping out the rear u-joints every 3 weeks. I did have a 1" t-case drop on it at the time. Now with the SOA on 1.5" springs I did need the SYE. Once you install the kit, you can always jack rear end off of the ground and support the frame with jackstands, to let the rear end flex all the way out. Then see if you can spin the driveline or not. If not, then I would do the SYE. Since I drive mine to and from the trails, I like the fact that if I do break a rear driveline, I can still drive out in front wheel drive without puking all the ATF out of the t-case.
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Old 05-18-2011, 11:40 AM   #5
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Dude in Angleton I had a Jeep with 35s. I ran 4.88s and they were perfect for that area. I ran up and down 288 with no issue. That Jeep had a SOA on stock springs with a tcase drop. Ran it like that for like 8 months, then did SYE.
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Old 05-18-2011, 11:54 AM   #6
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What do ya think of the pro comp lift. its a kit that consists of front and rear coil springs, front and rear MX6 shocks, steering stabilizer, relocation hardware, and other replacement components that will fit my jeep. its not cheap by any means but i hope i made the right move. i like the coil spring look.
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Old 05-18-2011, 11:55 AM   #7
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thanx i will get the 4.88
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Old 05-18-2011, 03:20 PM   #8
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If you spend that much money on the coil spring lift; you might as well by a TJ.
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1990 YJ 4" BDS lift, shackle reversal, 33" TSLs
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Old 05-18-2011, 03:26 PM   #9
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Quote:
Originally Posted by POS YJ View Post
4Lo.com :: Gear Ratio & Tire Size Chart

You can use this chart to help determine your gear ratio based on your current set up. Hope it helps.

Not much you are gonna be able to do for mileage except keep it tuned up and good clean oil in it. You are still only looking a 1mpg or so.
Be careful, these charts depend on a 1:1 ratio in the transmission. That doesn't work most of the time.
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Old 05-18-2011, 08:25 PM   #10
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The kit is only 2000.00 not that bad in my eyes. Plus I like yj yea not a lot of power but for some reason I like it. Plus there is always room for a small block.
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Old 05-18-2011, 08:30 PM   #11
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When I re gear I will go to the off road shop in Houston to have them redo it. Just to make sure its done right.. thanx for thee advice I appreciate all I can get.

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