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Author
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Topic: Hooking the line-loc solenoid in with the t-brake and two step?
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 09:36 PM
   
Anyone done this? I thought I had it all figured out, used a 100V 6amp diode to bridge the two circuits. The line lock works fine by itself, the two step/t-brake/line-loc circuit works good except that the 2-step isn't working. Maybe it's the three step that's hooked to the line loc button for the burn out? I'll have to go after it with the volt meter tomorrow. Anyone been here and done this? Just trying to get rid of the rocking that the Stang does when it is staged by having the line-loc on with the t-brake. But not have the line lock (burnout button) engage the two step and t-brake. Thanks,SteveW
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jsracingbbf
Gearhead Posts: 2805
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 11-23-2004 09:43 PM
Steve, when does it rock? when you "set" the T brake? or while on the box?
Can you just stage shallow and lock the brake down without goin on the 2 step? then go on it when your bulbs go? Does it do it worse in later rounds? ------------------
JS
"never submit yourself to scientific tests no matter how bad you need the money, for all you know they could have erased your memory and YOU WERE REALLY SOMEBODY BEFORE"
69 Mustang Pro ET Drag
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 10:02 PM
Jerry,Thanks for the response. This is my daughter's "no-box" car Sportsman in Div 7, Pro everywhere else. It doesn't have a delay box, and she is used to bunping in on the t-brake. But the car rocks in and out of the staged beam until it settles down. I'm trying to give it a line lock with the t-brake to make staging more precise and solid. But, don't want the line lock (burnout) to engage the two step and t-brake. So the need for the diode, so voltage only travels one direction. Everything is working as planned, but the two step is not engaging... Any thoughts? Thanks again, SteveW
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kid vishus
Gearhead Posts: 6220
From: middle of NC
Registered: Oct 2000
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posted 11-23-2004 10:03 PM
Mine never did rock with the c4 in the car. But I did hook the line loc up to the transbrake to keep it from moving at all to try and get my lites more consistant. I don't have a 3 step, so I'm no help.
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 10:06 PM
Rob,How did you wire yours? So that the burnout button didn't engage the two step and t-brake? Thanks, SteveW
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kid vishus
Gearhead Posts: 6220
From: middle of NC
Registered: Oct 2000
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posted 11-23-2004 10:14 PM
quote:
Originally posted by steve'66:
Rob,How did you wire yours? So that the burnout button didn't engage the two step and t-brake? Thanks, SteveW
Well.... 
Mine is wired into my delay box and there is a spot for it. 
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 10:17 PM
Rob,Thanks, but just so everyone understands....
NO BOX, lol SteveW
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kid vishus
Gearhead Posts: 6220
From: middle of NC
Registered: Oct 2000
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posted 11-23-2004 10:30 PM
quote:
Originally posted by steve'66:
Rob,Thanks, but just so everyone understands....
NO BOX, lol SteveW
LOL I know that. 
I never had mine wired into the 'brake till I hooked the box up. On my car, when I 'set' the 'brake, the car will move forward maybe an inch and doesn't budge after that. I only hooked the line loc up after I got down here and my lites weren't as consistant as I needed to be competitive. I was hoping that would take care of it, but it didn't.  That leaves only driver error to blame.
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 10:50 PM
Rob,The last race for the Stang, Mel's lights were stellar using her technique. My worry is with autostart that once both cars are stagged you have less that two seconds before the tree comes down. And if the car is still rocking you could "leave" before the tree is activacted.  That would suck, SteveW
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 11-23-2004 11:30 PM
Which box is in the Stang Steve?
Crane or MSD?------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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Strain Gang
Gearhead Posts: 220
From: Thor, Iowa
Registered: Mar 2003
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posted 11-23-2004 11:32 PM
Steve: I installed one on the Falcon this year. I used a diode going from the switched power (going to trans brake solenoid) to the wire going to the line lock solenoid. Its wired inlne so it wont back feed to the trans brake on the burn out. Only problem is if you have to use the trans brake for reverse, dont push the button til your ready to back up . Obviously if your foots on the brakes, it builds the pressure up and will apply the line lock. If you leave your foot off the brake before you back up, the linelock solenoid will not have any pressure to set the brakes. Any other questions, just ask. Steve. By the way, the rocking on our car was because the bigger tires were preloading themselves when we would apply the brakes at the tree. When you would let off the tbrake, the car would roll.
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-23-2004 11:56 PM
Alex,It's the Crane HI-6 with the optional 3 step module. Steve, I have the T-brake solenoid wired into the back-up switch on the shifter so it can back up w/o throwing a switch. It does energize the line-loc when it's in reverse... We can probably learn to live with that if I can figure out why it won't hit the two step while on the brake. Everything else works as planned. SteveW
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-24-2004 08:53 PM
Figured it out tonight! The T-brake button was energizing both the two step and the three step which must have confused it. LOL So it is working fine w/o a three step. The third step was just a burnout limiter, so we can live w/o that. Happy Thanksgiving and thanks for your help. Going racing on Sunday if the rain gods stay away! SteveW
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Dave_C
Gearhead Posts: 994
From: Gadsden, Al
Registered: Aug 99
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posted 11-24-2004 08:58 PM
Good deal Steve, glad you found it. If you want to use the 3-step how about having a seperate button for it. Mine is like that. Transbrake is on the right. 3-Step for the burnout is on the left.  David Cole ------------------
557 BBF Powered, alcohol injected rear engine dragster. 4.90 @ 143 1/8 mile. 1.09 60'. I've got to be crazy to drive this thing.
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-24-2004 10:14 PM
Thanks Dave,It'll be fine w/o the three step, she has the shift light to judge her rpms by during the burnout. Your cockpit looks like a jet fighter plane BTW.  SteveW
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67coupe
Gearhead Posts: 490
From: dallas NC usa
Registered: Nov 2000
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posted 11-25-2004 01:59 PM
steve i wired up a similar set up on a friends car and we used a 3 pole 2 position switch to select between the 2 and 3 step after the burn out just flip to the other one seemed to work just fine------------------
Josh
67 coupe with 351c (currently broke )
8.41 in the 1/8
1.90 60'
at 82.03 mph
94 Explorer
30 model A currently rustbucket
in process 67 convt with efi 5.0 and t5(now mostly complete and on the road legally) [This message has been edited by 67coupe (edited 11-25-2004).]
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-27-2004 04:53 PM
Josh,That would work good, just trying to not need a switch. One less thing to think about. Thanks for the tip, SteveW
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