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| jsup | Line lock.... | ||
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Elite Guru
 
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How would a line lock screw with my ABS? Just wonderin..
Was working on my boat trailer and it has a line lock for the brakes to go into reverse. Thought about it. Not considering a line lock, just wondering how they effect ABS. |
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Posted on: 2008/12/4 17:15
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| CentralCoaster | Re: Line lock.... | ||
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Senior Guru
 
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Hmm. My understanding of line lock is itd almost have to be installed downstream of the abs for it to keep pressure in the front lines. Where does the ABS relieve pressure into when it activates?
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Posted on: 2008/12/4 17:26
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| anesthes | Re: Line lock.... | ||
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Master Guru
 
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Quote:
The linelock should be wired to disable the ABS power feed with a relay when it is engaged. I would have a 'disarm' switch for the ABS with a diod so the ABS can be disarmed AND would also be disabled when the line lock is engaged. And I almost always run them right after the master, per IHRA/NHRA tech specs to pass inspection. -- Joe |
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Posted on: 2008/12/4 17:35
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| jsup | Re: Line lock.... | ||
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Elite Guru
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So how about one switch on a double throw, double pull relay?
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Posted on: 2008/12/4 17:37
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| Stl94LT1 | Re: Line lock.... | ||
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Guru Newb
 
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On my 94 I installed the line-lock solenoid right next to the master cylinder, with no special wiring to disable the ABS. It has no effect on the ABS system.
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Posted on: 2008/12/6 0:35
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| jsup | Re: Line lock.... | ||
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Elite Guru
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Wonder how that works. I was assuming that when you push the brake pedal down, the ABS would detect slippage as the tires spin. Guess not.
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Posted on: 2008/12/6 2:36
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| Stl94LT1 | Re: Line lock.... | ||
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Guru Newb
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When using a line-lock you press in on the brake pedal, engage the line lock, then let off the brake pedal. This will lock the front brakes and leave the rears free to spin. Maybe since the brake pedal is not pressed, the ABS doesn't sense slipping?
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Posted on: 2008/12/6 18:16
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| jsup | Re: Line lock.... | ||
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Elite Guru
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Quote:
I was looking at how my surge brakes work on my boat trailer, it closes and blocks the brakes from pressurizing, letting it go into reverse. I thought, probably incorrectly, that the line lock would be engaged THEN you push the brakes. The link lock not allowing fluid to pressurize the rear brakes. HOWEVER, if I understand you to be correct, you say push the break THEN put on the line lock to keep pressure in the line. Which way does it work? |
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Posted on: 2008/12/6 18:29
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| Stl94LT1 | Re: Line lock.... | ||
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Guru Newb
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Quote:
HOWEVER, if I understand you to be correct, you say push the brake THEN put on the line lock to keep pressure in the line. Yes. |
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Posted on: 2008/12/6 18:36
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| jsup | Re: Line lock.... | ||
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Elite Guru
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Line locks seem fairly cheap, and easy to install. If they work that way, I don't have to worry about ABS.
Are they worth it? |
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Posted on: 2008/12/6 19:55
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| Stl94LT1 | Re: Line lock.... | ||
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Guru Newb
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My car is an M6, and somewhat difficult to heat the tires up at the track without a line-lock. If I didn't run the car, it would be useless.
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Posted on: 2008/12/6 20:08
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| bogus | Re: Line lock.... | ||
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Grand Imperial Pooh-Bah
 
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ABS is NOT traction control.
ABS detects impending lock up and pumps the brakes. ASR is looking for a difference in wheel speed, front to rear, and lowers engine output accordingly. |
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Posted on: 2008/12/6 20:10
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| CentralCoaster | Re: Line lock.... | ||
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Senior Guru
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I disagree. I really have no need for linelock to get my M/T's smoking with a wee little 200rwhp, plus its much more fun without it. Rear brakes are surprisingly not wearing out too fast either. |
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Posted on: 2008/12/6 20:32
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| Stl94LT1 | Re: Line lock.... | ||
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Guru Newb
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My car has the power to spin the tires without the LL. It's just easier for me to do a burnout without holding down on the brake and pushing in on the accelerator with the same foot. That is until a let out on the clutch. Also alot easier on the rear brakes and rotors.
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Posted on: 2008/12/6 20:38
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| CentralCoaster | Re: Line lock.... | ||
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Senior Guru
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Hmm. I only do two pedals at a time: Clutch in, gas in, side step the clutch and then get on the brake quickly with the left foot. And then the ass end starts wagging all over the place. Delightful!
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Posted on: 2008/12/6 21:14
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| jsup | Re: Line lock.... | ||
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Elite Guru
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I get that. But here's how I thought about it. If you have ABS active because the brake is depressed, and your tires are spinning, what does the ABS do? |
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Posted on: 2008/12/6 22:59
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| CentralCoaster | Re: Line lock.... | ||
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Senior Guru
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You don't have the brake depressed when doing a burnout with linelock.
Press brake down, turn line lock on, release pedal, do burnout. |
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Posted on: 2008/12/7 1:37
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| jsup | Re: Line lock.... | ||
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Elite Guru
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They're cheap, I talked to the guy who put in my trans, he has a brand new Hurst line in his shop laying around, I can get it for nothing or close to it.
He says with the Hurst one you can pump the brake a few times while holding the button. |
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Posted on: 2008/12/7 1:44
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