Locking hubs - JeepForum.com

 
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post #1 of 13 Old 10-18-2013, 06:34 AM Thread Starter
mkimball72
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Locking hubs

Thinking of installing locking hubs on my 86 gw and wonder if anybody may have some insight.?

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post #2 of 13 Old 10-18-2013, 07:22 AM
super98lsc
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I have them on my 90. They work great never had a problem with them. Just have to be damned certain to lock them before you EVER engage the 4x4 or you will destroy the viscous coupling in the NP229 case. Presuming that is whats in your 86 with the 360/727 trans. Advantage is you can dis-engage the front axles shafts, gear-set,drive shaft. Idea is that you can save economy by removing rotating mass and parasitic losses when not needing the 4x4.

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post #3 of 13 Old 10-20-2013, 03:12 PM Thread Starter
mkimball72
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Cool. I'm going for it. Thanks. Did you notice fuel savings after changing yours?
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post #4 of 13 Old 10-21-2013, 08:37 AM
super98lsc
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Mine was done before I got it so no way to really tell. Logic tells me it has to help. At least it will cut wear on the front ring/pinion and inner axle bearings. Best I got my worn out 360 up to was 14 HWY with 31x10.50 GoodYear Duratracs' and the factory 3.31 gearing.

www.mangierisrc.com
06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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post #5 of 13 Old 10-21-2013, 08:40 AM Thread Starter
mkimball72
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Thanks. Picked mine up yesterday and plan to install right away.
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post #6 of 13 Old 10-22-2013, 12:33 AM
carnuck
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If you gain 1 mpg, that's about a 10% fuel savings. Never noticed a difference on V8 rigs, but 2-5 mpg on the 6 on highway was common.

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post #7 of 13 Old 10-22-2013, 08:53 PM
crossfit_wagon
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How much work is it to do? I want to do this on my 84GW
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post #8 of 13 Old 10-23-2013, 01:14 PM
CSP
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Takes at most 15 minutes per side if you're slow.
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post #9 of 13 Old 01-11-2014, 02:23 PM Thread Starter
mkimball72
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Installed and noticed a couple miles per gallon increase. Well worth it.
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post #10 of 13 Old 01-17-2014, 10:33 AM
crossfit_wagon
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Was it on a V8?
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post #11 of 13 Old 01-17-2014, 10:39 AM Thread Starter
mkimball72
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Yep
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post #12 of 13 Old 01-17-2014, 10:49 AM
crossfit_wagon
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Ok awesome. Which ones did you go with?
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post #13 of 13 Old 01-17-2014, 11:00 AM Thread Starter
mkimball72
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Warn. They were under $100 and took about 5 minutes per.
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