Re: using dual line locks
[Re: 340Cuda]
#2802471
07/29/20 12:11 PM
07/29/20 12:11 PM
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Joined: Dec 2006
Posts: 2,110 Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,110
Byron, NY
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Although I agree with you...does anyone know why Dual LL are not legal?...and not the ones that hold your bumper.
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60 '01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust, '05 Dodge Magnum R/T - Too Much to list '60 Willys CJ5 '01 International LPX - Project,DT466, Allison '64 Plymouth Valiant, Inj 528 Hemi, 2spd
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Re: using dual line locks
[Re: W.I.N. Racing]
#2802489
07/29/20 12:38 PM
07/29/20 12:38 PM
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Joined: Jan 2003
Posts: 20,177 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,177
Park Forest, IL
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Although I agree with you...does anyone know why Dual LL are not legal?...and not the ones that hold your bumper. My understanding is that they are not legal in Sportsman/Footbrake classes because they are a "poor man's" transbrake, and can also be used with a hidden box....
"Everybody funny, now you funny too."
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Re: using dual line locks
[Re: slantzilla]
#2802786
07/30/20 09:58 AM
07/30/20 09:58 AM
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Joined: Apr 2003
Posts: 3,510 Tulsa, Oklahoma
340Cuda
master
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master
Joined: Apr 2003
Posts: 3,510
Tulsa, Oklahoma
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Although I agree with you...does anyone know why Dual LL are not legal?...and not the ones that hold your bumper. My understanding is that they are not legal in Sportsman/Footbrake classes because they are a "poor man's" transbrake, and can also be used with a hidden box.... I have often wondered myself and this is about as close as I can get to a reason.
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Re: using dual line locks
[Re: cudaman1969]
#2802805
07/30/20 10:51 AM
07/30/20 10:51 AM
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Joined: Nov 2015
Posts: 876 Missouri
jwb123
super stock
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super stock
Joined: Nov 2015
Posts: 876
Missouri
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I used the two line locks, for the front I had a rectifier out of an alternator so as not to energize the back brakes. Worked great with two step and delay box at 3000. Later on when trans brakes came out I switched. Also tried the throttle air bottle gizmo, it let the pedal go to floor then delay box on release activated the air plunger to snap the throttle on. I liked that system better because the squirters were not used up. I built a system like you describe, did not use a rectifier, or a delay box. Just locked front and back brakes, my Dodge had drums on all wheels then. Stage the car, hit the button lock the wheels, air cylinder expanded and held at launch RPM, released the button, line locks released, air cylinder closed and launched the car. You could dial it into the tree by changing the air pressure coming out of the bottle with a regulator. Worked very well.
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Re: using dual line locks
[Re: slantzilla]
#2802872
07/30/20 12:19 PM
07/30/20 12:19 PM
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Joined: Dec 2006
Posts: 2,110 Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,110
Byron, NY
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Although I agree with you...does anyone know why Dual LL are not legal?...and not the ones that hold your bumper. My understanding is that they are not legal in Sportsman/Footbrake classes because they are a "poor man's" transbrake, and can also be used with a hidden box.... Thank you
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60 '01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust, '05 Dodge Magnum R/T - Too Much to list '60 Willys CJ5 '01 International LPX - Project,DT466, Allison '64 Plymouth Valiant, Inj 528 Hemi, 2spd
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Re: using dual line locks
[Re: W.I.N. Racing]
#2802895
07/30/20 01:36 PM
07/30/20 01:36 PM
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Joined: Dec 2005
Posts: 11,552 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,552
Fulton County, PA
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Some classes prohibit rear wheel Line Locs - Stock & Super Stock for 2. General regs says - application and release must be a direct action by the driver. No electronics, hydraulics, pneumatics, or other device may affect brake operation. Line-loc can be used to hold the car on the line, but It has to be applied and released with a driver operated switch. Can't be tied into a clutch switch, delay box, etc.
If the results don't match the theory, change the theory.
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Re: using dual line locks
[Re: jwb123]
#2802940
07/30/20 02:50 PM
07/30/20 02:50 PM
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Joined: Jan 2004
Posts: 8,251 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,251
fredericksburg,va
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I used the two line locks, for the front I had a rectifier out of an alternator so as not to energize the back brakes. Worked great with two step and delay box at 3000. Later on when trans brakes came out I switched. Also tried the throttle air bottle gizmo, it let the pedal go to floor then delay box on release activated the air plunger to snap the throttle on. I liked that system better because the squirters were not used up. I built a system like you describe, did not use a rectifier, or a delay box. Just locked front and back brakes, my Dodge had drums on all wheels then. Stage the car, hit the button lock the wheels, air cylinder expanded and held at launch RPM, released the button, line locks released, air cylinder closed and launched the car. You could dial it into the tree by changing the air pressure coming out of the bottle with a regulator. Worked very well. I should of said I separated them just to do a burn out, one button for front (on shifter) the other for both on steering wheel leaving on top light, then adjusted in the box for reaction times. I also had my practice box tied into it all so I could sit in staging lane popping the button about 20 times to get in a groove.
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