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Installation of Summit Brake Line Lock

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Old Dec 22, 2004 | 07:17 PM
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Installation of Summit Brake Line Lock

Has anyone here installed the line lock from Summit Racing. Part Number SUM-760000?

I'm having a little bit of trouble with which line goes where? The instructions aren't entirely clear.

Does anyone have any pictures of how they did it? Or where they mounted it?

Many thanks for any help you guys can offer!
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Old Dec 23, 2004 | 03:42 PM
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Line lock install questions, is this the correct way to do it???
https://www.thirdgen.org/techbb2/sho...k+installation

I found this a good thread, and particularly liked this diagram below:-
Attached Thumbnails Installation of Summit Brake Line Lock-line-lock-diagram-3  
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Old Dec 23, 2004 | 03:44 PM
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Would this be the correct way to do the installation if also putting in a Wilwood proportioning valve at the same time? Copy of the diagram from that thread attached below:-
Attached Thumbnails Installation of Summit Brake Line Lock-line-lock-wilwood-prop  
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Old Dec 23, 2004 | 03:50 PM
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Theres one good pic of a line lock installed in this thread:-

line lock installation question
https://www.thirdgen.org/techbb2/sho...k+installation

Another good thread I found was:-
Whats needed for line lock?
https://www.thirdgen.org/techbb2/sho...k+installation

Anyone running a line lock?
https://www.thirdgen.org/techbb2/sho...k+installation
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Old Dec 23, 2004 | 03:54 PM
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I still haven't found out anything (esp. pics) of that model of line lock though...

Can any of you guys help me out here?
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Old Dec 23, 2004 | 08:46 PM
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From: Detroit, MI, USA
Car: '82 Trans Am
Engine: Blown 540 BBC
Transmission: TH475
Axle/Gears: Dana 60, 4.10 w/spool
It's made by Hurst, and it's the best one available - got one on my car. They're stainless steel inside and they are also rebuildable.

I mounted my adjustable proportioning valve inside the car, on the inside of the left rocker panel, just ahead of the seat. Makes it real nice to make adjustments without having to get out of the car and pop the hood all the time. I also ran the brake line inside the car - it goes through the firewall, follows along the inside of the left rocker box, and exits through a hole towards the rear.

Last edited by Motor City Mike; Dec 23, 2004 at 08:53 PM.
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Old Sep 26, 2005 | 09:23 PM
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wouldnt useing the line lock in between the master cylinder and p valve work just as good as puting it after the p valve and u wont have to use a T?
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Old Sep 26, 2005 | 11:46 PM
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From: Detroit, MI, USA
Car: '82 Trans Am
Engine: Blown 540 BBC
Transmission: TH475
Axle/Gears: Dana 60, 4.10 w/spool
Originally posted by DevilsAddvocate
wouldnt useing the line lock in between the master cylinder and p valve work just as good as puting it after the p valve and u wont have to use a T?
I don't know this for certain since I personally have never tried it, but I believe that this would set off the pressure differential sensor (which is in the combination valve, along with the metering and proportioning valves). The Hurst line lock has 3 NPT threaded outlet ports anyway (2 used, 1 plugged), so a "T" isn't necessary.
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Old Sep 26, 2005 | 11:54 PM
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well i have a different type of line lock some company starting with a B cuz its like 40 bux or somethin but anyways, in the instructions it puts it inbetween the two like i said so im tryin 2 find out why that does not work (plus its only got a single outlet) so i wouldnt have to worry about T-ing sh*t n what not. The less the better just because of these annoying fitting sizes.
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