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Old 11-23-2011, 03:57 PM   #1
fmlewis
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Line Lock

Looking to install a line lock this winter on the jeep with my disc brake conversion. Looking to see what people are running, electric vs manual, brands, etc. Is there any negative to running a line lock?

My primary use will be as a parking brake, maybe the occasional dig but doubtful.
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Old 11-23-2011, 10:40 PM   #2
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I have had great luck with hurst line locks on Drag race cars. Where do you install one on a 4x4?
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Old 11-23-2011, 11:09 PM   #3
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I bought mine from Summit. Can't remember the brand, but is electric. Put mine right in the middle where the hard line and the braided line feeds the rear axle. Works great.
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Old 11-23-2011, 11:27 PM   #4
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I have electric one on my jeep, but for park brake would recommend manual valve. Lot less chance of something bad happening like losing volts or ground which can happen!
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Old 11-25-2011, 01:06 AM   #5
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I'm running a manual,bought it at The Off Road Center in Miamitown.I can't remember the brand.I found it in the rail buggy section of the store.

Works good...The only issue,I overheated the brakes one time,when the valve didn't fully release.Since then, I press the brake pedal fully to the floor and hold it for a few seconds while watching the knob raise up.

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Old 11-25-2011, 10:39 AM   #6
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Quote:
Originally Posted by fmlewis View Post
Looking to install a line lock this winter on the jeep with my disc brake conversion. Looking to see what people are running, electric vs manual, brands, etc. Is there any negative to running a line lock?

My primary use will be as a parking brake, maybe the occasional dig but doubtful.

If you are going to go with a manual line lock. I have a brand new one with a billet bracket the you can bolt to the floor or any where. 40$ and it yours.

Rob
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Old 11-25-2011, 09:21 PM   #7
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Ball valves... the only way.
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Old 11-25-2011, 09:32 PM   #8
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Ball valves... the only way.
I've been patiently waiting for that
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Old 11-26-2011, 01:41 PM   #9
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A buddy of mine uses ball valves and it works great
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Old 11-26-2011, 02:13 PM   #10
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I had them on my brakes, front and rear... but rob puts them on everything, hydration system, windshield washer fluid, blinker fluid, muffler juice, KY jelly, astroglide, etc....
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Old 11-26-2011, 02:22 PM   #11
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I had them on my brakes, front and rear... but rob puts them on everything, hydration system, windshield washer fluid, blinker fluid, muffler juice, KY jelly, astroglide, etc....
They GREAT for adjusting tire pressure on the fly! Just need an adapter
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Old 11-28-2011, 09:00 AM   #12
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I have a pair of the Jeg's brand electric line-locks (not sure which company makes them for Jeg's), one for the front and one for the rear, that I installed several years ago. Never had a bit of a problem with them. The main purpose was using them as a short term parking brake on the trail as I lost my emergency brake with the rear disc swap. They are definitely not meant for long-term parking (i.e. overnight or multiple days....I accidentally did this one time and drained the batteries when I tried to start it a couple days later). I have used it for probably an hour or so at a time while sitting on the trail.
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Old 11-28-2011, 10:06 AM   #13
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Left is front, right is rear. I could lock them on, or lock them off, for doing front digs, rear digs, etc. I could also shut the rear or front valve half way and use them in a sort of proportioning valve. I went with these because I hate having more and more electrical crap to worry about. I could set them overnight and not worry, etc.

I think these valves can be had for less than $20 each...
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Old 11-28-2011, 10:26 AM   #14
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I think these valves can be had for less than $20 each...
from where?
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Old 11-28-2011, 11:45 AM   #15
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I dont even recall now... Im sure it says it in my build thread somewhere....
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Old 11-28-2011, 12:23 PM   #16
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$20 here...
http://www.sardesonracing.com/page%20047.htm

hahah, same part number from Summit for much much more... $53.88
http://www.summitracing.com/parts/AFC-40199/

Mine came from AFCO... heres a couple pics of mine in the package

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Old 11-28-2011, 02:10 PM   #17
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appletree auto... got mine off there website. its a pushbutton manual type hydraulic parking brake. someone on core pointed them to me.

but i do think ball valves like in those photos be the way to go.

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Old 11-29-2011, 08:38 AM   #18
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I don't like the type that you press brake to get it to release. It can cause the cup seal in the master cylinder to be forced up the port hole cutting the seal. I had this problem with a new cnc master cylinder. They told me not to use those style line locks. I use a ball valve
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Old 11-29-2011, 09:14 AM   #19
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good info to know:)

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Old 11-29-2011, 11:50 AM   #20
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thanks for the links
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