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Re: Line Lock Install
[Re: Challenger 1]
#961933
04/01/11 11:00 AM
04/01/11 11:00 AM
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Joined: Mar 2007
Posts: 3,321
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,321
West Coast, USA
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Quote:
Another option is to put it in the rear brake line, works good there. 
Are you using it as a parking brake, or to lock out the pressure from going to the rear brakes or both???
1970 Plymouth 'Cuda #'s 440-6(Stock drivetrain in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's & EFI.
1968 Plymouth Barracuda Convertible Paxton Boosted 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 3.91's (closest thing to an automatic 5 speed going)
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Re: Line Lock Install
[Re: dustergirl340]
#961936
04/01/11 12:02 PM
04/01/11 12:02 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
Just for the record, in Sportsman class the NHRA/IHRA prohibits a line-lock device on the drive wheels. Safety issue in case the line-lock is on a toggle and you forget to switch it back.
I don't think that is true, I could be wrong. I just read the rule book cover to cover, I know it pretty well.
I just got done reading a NHRA rule book. Under section 3.1 brakes, it says "If brake system includes a differential pressure switch, line lock installed on front brakes must have soleniod installed after the diffential switch. All line locks (electric or hydralic)must be self returning to normal brake mode"
In other words a monentary switch, so when you let go it returns to the off position. No where does it say rear line locks are outlawed.
I use mine on a monentary switch and it blocks pressure to the rear and I use the front brakes to control my roll.
Any kind of line lock no matter where it's installed should be on a monentary switch, no matter what.
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Re: Line Lock Install
[Re: dustergirl340]
#961938
04/01/11 12:16 PM
04/01/11 12:16 PM
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Joined: Sep 2004
Posts: 22,873
Chicken coop
dustergirl340
Chicken Little
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Chicken Little
Joined: Sep 2004
Posts: 22,873
Chicken coop
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You'd think they would just go by the official rulebook so as to avoid confusion, but this is what my track emailed to me for this year's rules:
NHRA 2011 SPORTSMAN ET (1/4 mile 12.00 – 19.99)
1. Computer: Prohibited unless stock OEM equipment. See general regulations 9:1.
2. Data Recorders: Prohibited. See general regulations 9:2 & 9:10.
3. Delay Boxes: Prohibited.
4. Transbrake: Prohibited.
5. Line lock: Four-wheel line lock prohibited. Two-wheel line lock permitted on non-drive wheels only.
6. Automated Shifter: Prohibited unless OEM equipped.
7. Throttle Control: Throttle must be manually operated by the driver’s foot. Electronics, pneumatics, hydraulics or any other device may in no way affect the throttle operation. A deadstop under the carburetor or gas pedal is permitted. Throttle timers, counters prohibited.
8. Ignition: Stutter boxes prohibited. Single stage rev limiters permitted. Rev limiters or any other rpm limiting devices, legal unto themselves but altered or installed in so as to function as a down-track rpm controller prohibited. Crank trigger system prohibited, unless OEM distributorless ignition.
9. Switches & Buttons: All switches and/or buttons must be standard mechanical connection type. Infrared lasers, retinal scan, fingerprint, light source or other non-mechanical type switch prohibited.
10. Tow vehicles: Prohibited.
11. Exhaust: Muffler(s) required.
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