Vacuum Tubing [Archive] - ZR-1 Net Registry Forums

Billy Mild

01-25-2017, 10:17 PM

Instead of dealing with dry rotted hoses and proprietary fittings I have decided it might be better to use Silicone tubing. Does anyone know what the common size the vacuum hosing is under the plenum?

https://www.amazon.com/High-Performance-Silicone-Vacuum-Hose/dp/B009PYDTAK?th=1

Roadster

01-25-2017, 10:33 PM

I guess you can make anything work, but I would suggest using the stock replacement vacuum hoses and connectors from Jerrys. When we did my plenum pull this past weekend, I had all new hoses ready to go. Even when told some of the old ones looked, we replaced anyway. And the check valve connection was very loose. And then there was the split in the PCV hose. Yes it was an expense to replace the hoses, but well worth it for me. My vacuum is 100% tight, pump is plugged in and comes on for 2 sec when starting and shuts off. And I have my secondaries.......JMO

secondchance

01-26-2017, 07:39 AM

Silicone hoses are far better. Under plenum vacuum hoses, I think, can be replaced with 1/8" silicone hose. I would just replace the tips.

RussMcB

01-26-2017, 10:14 AM

A guess: 4mm is a pretty popular size. Lots of it available on eBay.

mike100

01-26-2017, 11:07 AM

I actually like the hard plastic tubes to couple longer sections of line, rather than having a long rubber line. GM used a lot of it in the 90's so I have a small collection of it. As far as rubber hose, I would recommend getting European style metric hose with the braided cover.

Paul Workman

01-26-2017, 12:31 PM

Vacuum lines?...VACUUM LINES??? WE DOAN NEED NO STEENKING VACUUM LINES!!!

http://i185.photobucket.com/albums/x220/6PPC_bucket/tech%20files/ZR-1009.jpg (http://s185.photobucket.com/user/6PPC_bucket/media/tech%20files/ZR-1009.jpg.html)

https://www.youtube.com/watch?v=VqomZQMZQCQ

:sign10:

secondchance

01-26-2017, 12:49 PM

Vacuum lines?...VACUUM LINES??? WE DOAN NEED NO STEENKING VACUUM LINES!!!

http://i185.photobucket.com/albums/x220/6PPC_bucket/tech%20files/ZR-1009.jpg (http://s185.photobucket.com/user/6PPC_bucket/media/tech%20files/ZR-1009.jpg.html)

https://www.youtube.com/watch?v=VqomZQMZQCQ

:sign10:

Ha, ha... You and me both! But, let's admit it - we still have, oh... 12 inches of vacuum lines...:cheers: