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View Full Version : Looking For Feedback On Brake Line Routing Please



Daddy O
07-24-2021, 07:16 PM
Hello,

I would really appreciate some opinions on my line routing. Thanks! Please note there is a small connector line going from thee front T to the LH brake. It got a slight kink in it that I am wondering if is OK to use. Please see photo. Thanks so much, I would be in real trouble building this thing without you guys!

Front Lines. Will group rear pics separate.
151223151224151225151226151227151228

Daddy O
07-24-2021, 07:20 PM
Rear Lines
151229151230151231151232151233151234151235151236

Thanks again everyone!

toadster
07-24-2021, 09:25 PM
looks like artwork to me! that ever so slight kink shouldn't be any issue - doesn't look restrictive at all...

Railroad
07-25-2021, 06:35 AM
Probably not an issue, but have you considered rotating the fittings coming out of your master cylinders being clocked at 90* or 180*, down?
This will keep the fluid travel below the level of the master cylinders.

rich grsc
07-25-2021, 07:04 AM
That little kink isn't an issue at all, but I agree the fittings at the master cylinders may be a problem. You want to keep the lines as low as practical, it'll never gravity bleed like that. I'd also move the front line under the 3/4" tube instead of over it then under at the left front, picture #2

CDXXVII
07-25-2021, 08:08 AM
I think your brake lines look great. I never thought about the brake fluid having to gravity feed. That is probably some good advice but my master cylinders had the fittings on top so I thought that was not an issue. I would not change a thing but I would advise bleeding and testing the system before you get too far in the build.

10,000 miles on my Mk4 so far and no issues. I used a pretty inexpensive pneumatic brake bleeder once and was done.

151243

egchewy79
07-25-2021, 08:41 AM
mine come off the top of the MCs as well. pressure bled and no issues since then.

Daddy O
07-25-2021, 09:31 AM
Thanks for all the feedback. I like the idea of gravity bleeding but it seems like a lot of builds have the fitting in the same way without issue. Those fittings are pretty tight, not sure I could get another 90 or so on them, concerned about cracking the m/c. I am going to leave as-is and see how it pressure bleeds. I will for sure bench bleed the m/c first. I ran the front line above the 3/4 tube coming out of the ds fb thinking that might shield it a bit from direct header heat but may not have been an issue. Would moving it below aid in bleeding or or function?

rich grsc
07-25-2021, 09:40 AM
Thanks for all the feedback. I like the idea of gravity bleeding but it seems like a lot of builds have the fitting in the same way without issue. Those fittings are pretty tight, not sure I could get another 90 or so on them, concerned about cracking the m/c. I am going to leave as-is and see how it pressure bleeds. I will for sure bench bleed the m/c first. I ran the front line above the 3/4 tube coming out of the ds fb thinking that might shield it a bit from direct header heat but may not have been an issue. Would moving it below aid in bleeding or or function?
No not really. I understand why you did it that way now. It'll be fine as is.
You did a nice job on the lines, the few suggestions aren't really meant to be a must change issue, just a different out look.

Daddy O
07-25-2021, 11:34 AM
Thanks Rich. I appreciate all the viewpoints and collective knowledge of the group. Going to call these done for now and move forward.

msbrown6
05-26-2022, 12:45 PM
Thanks for the pics - bookmarking as I start to route my lines today.

Papa
05-26-2022, 01:20 PM
I don't know what your road conditions are in your area, but mine are laden with small bits of stone from snow plows putting down "slash" during the snow season. I created a simple shield to protect the line where it exits below the footbox.

https://thefactoryfiveforum.com/showthread.php?24916-Papa-s-MKIV-Roadster-Build-9115-(Post-Grad)-Inglese-8-Stack-Upgrade-Begins!&p=400241&viewfull=1#post400241

CaptB
05-26-2022, 01:36 PM
Everything look very close to mine except that I ran my rear cross line across the 1x1 rather than having it as you have done but it will work great. IMHO you've done twice the job I see a lot of folks doing with their brake lines. In other words if you could see them they would be appreciated as very nice/custom looking. With everything put on top of it, most won't see the work, except in the pictures you have of your build.

Bravo Zulu.

JJK
02-16-2023, 01:10 PM
This thread is very helpful. Quick question though, it looks like the front MC is plumbed to the rear and vice versa. I suspect this would only impact the directional interpretation of the balance bar. Is it ok to reverse them?
Thanks
JJ

BrewCityCobra
02-16-2023, 03:50 PM
As you may have already figured out there are a millions ways to do it. That said, you shouldn't have any issue with having your lines go vertically upward from the master cylinders. Both of mine do that (they go even higher in fact) and I didn't have any issues with bleeding the lines. Looks really good though, nice work.

Some pictures of my layout are below.

https://thefactoryfiveforum.com/showthread.php?38979-The-Brew-City-Cobra-427W-IRS-Engine-Connections-Complete&p=454756&viewfull=1#post454756

DIBaledo
02-17-2023, 05:11 AM
It seems that most are using the "brass" tees that came with the kit. If using stainless steel hardlines with AN fittings, is there any problem with using an AN bulkhead tee directly into the flexible hose to the calipers? Obviously, it would still use the riveted fitting to secure the tee, but it seems that it would alleviate the excess bends that necessarily occur when using the brass fitting and the adapter to the AN flexible hose.

phils88gt
03-19-2023, 08:09 PM
That's what I did.

181816


Phil

Mike.Bray
03-19-2023, 09:25 PM
It seems that most are using the "brass" tees that came with the kit. If using stainless steel hardlines with AN fittings, is there any problem with using an AN bulkhead tee directly into the flexible hose to the calipers? Obviously, it would still use the riveted fitting to secure the tee, but it seems that it would alleviate the excess bends that necessarily occur when using the brass fitting and the adapter to the AN flexible hose.

That's how I did mine and would recommend it.