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04-10-2019, 12:21 PM
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#1
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Rear swap question
As some may know, i picked up a rear for my car last fall.
The rear itself is out of a 3 channel car, so it is set up for a 3 channel system. My car is a 4 channel car. Now other than traction control and ABS, which my war wagon does not have, is there anything else i should worry about ?
I know the 4 channel has reluctor wheels at the axle ends and the 3 channel has a speed sensor at the pumpkin. Im hoping those are just for traction control nonsense and for reading vehicle speed, which i don't think they are.
Is there any other differences? I feel like there is only 1 brake line running to the front instead of 2, can someone verify
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-10-2019, 01:31 PM
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#2
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,276
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VSS is on transmission. dont think there are any other differences.
my car is 3 channel and i do have only 1 line running to rear. but why would that matter? your lines are already there no?
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2017 SS M6 - Mods: Nothing Yet.
2026 Tesla Model Y - lol
Last edited by ThoR294; 04-10-2019 at 01:32 PM.
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04-10-2019, 01:47 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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The 4 channel will have two feed lines to it, whereas the 3 channel only had one.
So T the two lines, or delete one. IDK how you setup your prop valve
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-10-2019, 02:19 PM
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#4
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Quote:
Originally Posted by LTb1ow
The 4 channel will have two feed lines to it, whereas the 3 channel only had one.
So T the two lines, or delete one. IDK how you setup your prop valve
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prop valve has single line coming out, the T right at the frame rail into the 2 lines.
Feel like running single line from prop, to a T, then from a T at the rear back into a single line is asking for trouble.
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-10-2019, 03:10 PM
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#5
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,170
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w/o ABS just run a single line from the prop valve back to a T at the rear.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-10-2019, 05:53 PM
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#6
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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Just run a single line from prop valve to a single hose that bolts to the rear. The single hose will have a T integrated into it to feed the left and right hoses for the rear calipers.
You can get away with reusing one of your current metal lines if you feel like it/know a thing or two/not how you stand by your car/'Murica
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04-11-2019, 05:51 AM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Quote:
Originally Posted by LS1ow
prop valve has single line coming out, the T right at the frame rail into the 2 lines.
Feel like running single line from prop, to a T, then from a T at the rear back into a single line is asking for trouble.
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Yes.
Just run one line as stated above. The rear should have a T that bolts to the housing.
Don't over think this brah.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-11-2019, 07:42 AM
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#8
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Rear does have a T on it, but coming out of that T is one of these connections.
Normal?
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
Last edited by LS1ow; 04-11-2019 at 07:42 AM.
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04-11-2019, 08:06 AM
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#9
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Ya there should be a bracket on the car side that it slides into and then is locked down for the hard line to attach to.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-11-2019, 11:46 AM
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#10
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Quote:
Originally Posted by LTb1ow
Ya there should be a bracket on the car side that it slides into and then is locked down for the hard line to attach to.
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Can i just run a braided line from valve directly to line on rear? Or are braided brake lines that long not a thing
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-11-2019, 11:48 AM
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#11
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,170
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Quote:
Originally Posted by LS1ow
Can i just run a braided line from valve directly to line on rear? Or are braided brake lines that long not a thing
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not a thing
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-11-2019, 05:32 PM
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#12
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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That hose should fit one of the factory mounts you currently have. I know they have different sized fittings on the hard lines, I can't recall if the hoses were different externally. One of your factory hard lines should fit that hose.
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04-12-2019, 09:29 AM
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#13
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Smash sent me a pic yesterday that helped me visualize without going under the car.
Im gunna end up grabbing another set of the compression fittings and just replacing the T upfront to a straight threw to one line.
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-12-2019, 10:49 AM
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#14
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,170
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no compression fittings on brake lines
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-12-2019, 12:45 PM
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#15
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11 sec club
Join Date: Aug 2014
Location: Woodbridge
Posts: 834
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Double flare that ****, or buy a shoot.
__________________
99 Z28 Trick Flow 215s milled to 61cc 228/232 Cam Fast 102 built 4l65e trans 4000 converter 12 bolt 410s Electric WP deleted PS/AC Dyno & Track tuned
2015 ATS Coupe. AWD 2.0 Turbo
2012 2500hd Silverado with LTZ 20s on 35x12.5x20
86 Buick GN Lesabre 1 of 117 (4-Sale)
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04-12-2019, 01:01 PM
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#16
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,276
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Quote:
Originally Posted by BonzoHansen
no compression fittings on brake lines
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yeah do not do that please lol
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2017 SS M6 - Mods: Nothing Yet.
2026 Tesla Model Y - lol
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04-12-2019, 03:17 PM
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#17
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Quote:
Originally Posted by BonzoHansen
no compression fittings on brake lines
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Quote:
Originally Posted by MDSheds_SS
Double flare that ****, or buy a shoot.
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Quote:
Originally Posted by ThoR294
yeah do not do that please lol
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wait were were you guys when all this happened.
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-12-2019, 04:49 PM
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#18
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,276
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clearly we didn't see that lol
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2017 SS M6 - Mods: Nothing Yet.
2026 Tesla Model Y - lol
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04-12-2019, 05:15 PM
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#19
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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04-12-2019, 05:27 PM
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#20
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Just means he is gonna have a chute to slow him down.
'merica mobile doesn't need no stinkin brakes
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-12-2019, 06:02 PM
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#21
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Sooooo brake lines should be placed on order?
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-12-2019, 06:39 PM
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#22
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Quote:
Originally Posted by LS1ow
Sooooo brake lines should be placed on order?
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Just run new lines. Buy a roll and get to work
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-12-2019, 08:02 PM
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#23
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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Sigh.
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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04-12-2019, 08:10 PM
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#24
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10 Second Club / Meet Coordinator
Join Date: Dec 2004
Location: Roxbury, NJ
Posts: 2,144
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yea man, no way you should be using compression fittings on brake lines. flares only ... bubble flare or double inverted flares. I like the ni-cop nickle-copper line. easy to flare. easy to bend. I just ran nice ni-cop lines on the new 12 bolt rear. I will be doing the remainder of the car with the nickle copper next year from the master to the adjustable wilwood prop-valve that is under the rear drivers side seat.
__________________
1987 IROC-Z - modified
Last edited by IROCZman15; 04-12-2019 at 08:11 PM.
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04-12-2019, 08:25 PM
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#25
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Power Member / trans break does not equal transbrake
Join Date: May 2009
Location: The Meadowlands
Posts: 4,534
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I’ll feel like I’d rather sell the car than flare brake lines
__________________
99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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