Running hard vacuum lines.

[robertf]

So I'm deleting the vacuum block on the TB. I want to run my lines from a 1' plenum spacer to keep things tidy looking. I'm thinking hard plastic lines will work and I've seen fittings that you just push the line in and it locks in. My question is, will these fittings hold the lines in under boost? Has anyone had experience with doing this?
Many thanks in advance.

 

[Nick Micale]

Just get the good stuff as it is rated at 200 psi or more for truck air brake use.

 

[turbofabricator]

Deisel truck air brake lines work well. Or any barbed fitting with a tie-wrap works good, too. 3/16" and 1/4" double flare brake lines are cool if you are skilled at bending steel lines. Most are not, though. You can buy a billet vacuum block and use black silicone vacuum hose for a nice look. (But make sure the fittings are sealed and tight, as I have found most of them loose out of the box!). (EVERY aftermarket part I buy gets MY personal inspection....... Most if not ALL need some sort of attention)

 

[earlbrown]

I kinda did the same thing with brass barbed fittings. Didn't tap my spacer but kinda the same idea.

...and I will NEVER have to worry about my vac block leaking again.

http://www.turbobuick.com/threads/how-i-tossed-my-vacuum-block-and-cleaned-up-intake.440851/

Note: if anybody copies this, don't use 90* on the output. Turns out the less expensive straight fittings route better. There's plenty of room under the coil pack to make the turn.

 

[turbotrix2004]

Damn, that's a good idea and I just put my intake back in. Wish I seen this earlier


Sent from my iPhone using Tapatalk

 

[toofastforyou]

So I'm deleting the vacuum block on the TB. I want to run my lines from a 1' plenum spacer to keep things tidy looking. I'm thinking hard plastic lines will work and I've seen fittings that you just push the line in and it locks in. My question is, will these fittings hold the lines in under boost? Has anyone had experience with doing this?
Many thanks in advance.

Yes the push-lock fittings will hold high boost without any problem. I've had them on my car for a few years now and none ever blew off. Bought them at Cotton's.
Claude.

 

[robertf]

Damn, that's a good idea and I just put my intake back in. Wish I seen this earlier


Sent from my iPhone using Tapatalk

You can use a 1 inch spacer without removing your intake. The Don Cruz spacer has 2 threaded holes already. I'm adding 2 more in the front.

 

[JAMCAR223]

David, Pics or it didn't happen...

 

[robertf]

David, Pics or it didn't happen...

LOL. Just getting started. Having the spacer drilled/tapped as we speak. Trust me, its gonna happen. You'll see first hand.

 

[JAMCAR223]

LOL. Just getting started. Having the spacer drilled/tapped as we speak. Trust me, its gonna happen. You'll see first hand.

Can't wait to see the progress you've made on your car. If you ever need a hand, let me know.

 

[toofastforyou]

David, Pics or it didn't happen...

Here:…

Claude.

 

[Coach]

I did all mine but used a billet vac block. I even built a hard line to the fuel pressure reg.

 

[Royal-T-Ltd]

I did all mine but used a billet vac block. I even built a hard line to the fuel pressure reg.
View attachment 291664 View attachment 291665

Coach, I just noticed your 'alky log' - pretty cool!


Sent from my iPhone using Tapatalk Pro

 

[robertf]

And you even polished the lines. Damn, thats hardcore.That engine bay rocks.

 

[Gene Van Horn]

Im with robert, very nice and super detailed. Beautiful

 

[chris kirk]

So I'm deleting the vacuum block on the TB. I want to run my lines from a 1' plenum spacer to keep things tidy looking. I'm thinking hard plastic lines will work and I've seen fittings that you just push the line in and it locks in. My question is, will these fittings hold the lines in under boost? Has anyone had experience with doing this?
Many thanks in advance.

 

[Coach]

Coach, I just noticed your 'alky log' - pretty cool!


Sent from my iPhone using Tapatalk Pro

It looked better when it was on my AC lines like it was meant too.
When I added my EGT bungs to my headers...the probe hit the AC lines off the back of the compressor. Had to remove them.

 

[Coach]

And you even polished the lines. Damn, thats hardcore.That engine bay rocks.

Thank you

 

[Bescurred]

Effin hate you Coach....HATE YOUUUUUUUUUUUUUUUUUUUUUUUU BTW this is Larry Smith from Facebook

 

[MDavis]

Can you post an updated pic when installed?
Thinking of going this route.