Will using 4low on pavement hurt the vehicle? - JeepForum.com
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post #1 of 16 Old 09-12-2010, 08:03 PM Thread Starter
TCarbo20
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Will using 4low on pavement hurt the vehicle?

Will it damage the vehicle?

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post #2 of 16 Old 09-12-2010, 08:04 PM
TowMaster
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Yes. Don't do it.

NightCrew #125

Quote:
Why don't they have braille at drive-thru's?
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post #3 of 16 Old 09-12-2010, 08:20 PM
comptiger5000
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It's ok with a 93-95 249, but with a 96-98 249 or any other t-case, the driveshafts are locked in 4lo, and bad stuff will happen. As towmaster said, "don't do it".
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post #4 of 16 Old 09-12-2010, 08:44 PM
JesseOR
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Quote:
Originally Posted by TowMaster View Post
Yes. Don't do it.
Quote:
Originally Posted by comptiger5000 View Post
It's ok with a 93-95 249, but with a 96-98 249 or any other t-case, the driveshafts are locked in 4lo, and bad stuff will happen. As towmaster said, "don't do it".
You run it on dry pavement AS LONG AS you do NOT make ANY turns. Soooooooo.........don't do it...

-Jesse-
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post #5 of 16 Old 09-12-2010, 09:27 PM
EBT531
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Actual pavement bad idea. But areas like Moab I see guys run lockers in 4LO most of the day (very slowly) and it seems to work

1998 5.9ZJ, 231 TC w/SYE, IRO 4.5" Lift, IRO Adjustable CA's, Bilstien shocks, IRO Sliders, MVC Truss Rear, High Angle Driveline Front and rear shafts, 4.56 gears
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post #6 of 16 Old 09-12-2010, 09:51 PM
Ganjatrooper
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why is 4lo on pavement bad? I know what 4lo is but i didnt know it on pavement would be bad? but why would you need 4lo on pavement

Last edited by Ganjatrooper; 09-12-2010 at 09:52 PM. Reason: add more
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post #7 of 16 Old 09-12-2010, 10:01 PM
freakinheep89
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4 lo on pavement on any other case besides the 93-95 249's is bad because the case locks the front and rear outputs, in a turn, the front wheels need to spin faster than the rears, the case will not allow it and stuff starts to bind and break. the reason you can use it off road is that when you take a turn, the rear tires just spin on the dirt or whatever. pavement does not allow the tires to spin to keep up with the front

TJ-
95 ZJ 5.2- D30/XJ shafts/D35 Yukon alloys,249, 2"BB, 30x9.5"Wildcat EXT,lots of motor mods, rancho shocks & stabilizer.

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Originally Posted by slayercr23 View Post
How would i go about Stroking it?
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post #8 of 16 Old 09-13-2010, 11:00 AM
TowMaster
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I did indeed forget the exception there, that is my mistake. But I will still suggest even in those not to do it, just as a general practice so it isn't forgotten. I think the only time someone would need 4lo on pavement is for the gear reduction to pull something very heavy that the vehicle can't handle in 2hi/4hi/4PT/etc. That said, that's a terrible idea for several reasons. One, its obivously too much for the vehicle to handle, use something designed for it, and you couldnt go more than what...20mph? Even just to pull a big trailer across a parking lot is a bad idea, becuase it's pavement. I got lazy once and didn't feel like getting the truck so threw the ZJ in 4lo to pull my boat across the yard. I was on dirt so that was ok, but it was still a DUMB idea, because the Jeep sin't designed for that. followin us?

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Quote:
Why don't they have braille at drive-thru's?
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post #9 of 16 Old 09-13-2010, 11:06 AM
Reswob
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As long as you don't turn or go over 25mph it wouldn't hurt anything.

'11 WK2 Limited 5.7
Looking for a WK2 full size spare tire and 18" rims
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post #10 of 16 Old 09-13-2010, 12:36 PM
ratmonkey
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only time 4lo should be used on pavement is pulling a boat out of a launch.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #11 of 16 Old 09-13-2010, 07:32 PM Thread Starter
TCarbo20
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thanks guys i was told about the front wheels spinnnin faster and i wanted to make sure if i needed to pull a boat outta a mud boat ramp to use the 4lo i know to never use it on cement but i was just curious, gotta protect my 5.9 )
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post #12 of 16 Old 09-13-2010, 07:42 PM
TowMaster
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I would think on a muddy boat launch you would be just fine, the wet cement would be slippery enough I would think, just disengage asap. But then again, that 5.9 should be fine as long as the tongue on your trailer is long enough.

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Quote:
Why don't they have braille at drive-thru's?
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post #13 of 16 Old 09-13-2010, 07:58 PM Thread Starter
TCarbo20
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no, no cement straight gulf florida mud on low tide. to pull a 6,000 boat out.
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post #14 of 16 Old 09-13-2010, 08:10 PM
Candymancan
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What about running 4WD Full time like on a 242 transfer case ? On pavement
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post #15 of 16 Old 09-13-2010, 08:29 PM
freakinheep89
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Quote:
Originally Posted by Candymancan View Post
What about running 4WD Full time like on a 242 transfer case ? On pavement
its designed to run on pavement. thats why there are separate options 4ft is for on road, and 4pt HI is for off road.

TJ-
95 ZJ 5.2- D30/XJ shafts/D35 Yukon alloys,249, 2"BB, 30x9.5"Wildcat EXT,lots of motor mods, rancho shocks & stabilizer.

Quote:
Originally Posted by slayercr23 View Post
How would i go about Stroking it?
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