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General Category >> Rubber Side Down! >> Blocking vacuum
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Message started by perajani on 01/17/13 at 12:29:48

Title: Blocking vacuum
Post by perajani on 01/17/13 at 12:29:48

I have several ideas how to blog vacuum line after Raptor installation:
- Vacuum cap (easy but will rubber leak)
- Fill hole by solvering it full of tin. (definately solid, but hard to remove if needed someday)
- silicone or plastic cement.
I am balancing between cap and tin.... What do you think ?

Title: Re: Blocking vacuum
Post by Serowbot on 01/17/13 at 12:37:11

I just used a screw that "self-tapped" in the hole,.. then cover it with a rubber nipple for looks...

Title: Re: Blocking vacuum
Post by Qwapy on 01/17/13 at 12:41:07

I plugged the port with silicone (high temperature and gasoline resistant) and put a rubber cap on top of it (just for the looks)

Title: Re: Blocking vacuum
Post by MiCTLaN on 01/17/13 at 14:36:18

Is a rubber cap not enough? I mean, just the rubber cap?

Title: Re: Blocking vacuum
Post by verslagen1 on 01/17/13 at 14:44:14

rubber caps age quickly and soon leak.

Title: Re: Blocking vacuum
Post by Qwapy on 01/17/13 at 16:48:53

My vacuum port is sealed and the rubber cap is just for cosmetic purposes.

Title: Re: Blocking vacuum
Post by Dave on 01/17/13 at 17:43:32

I put a rubber cap on mine....and a matching spare in the tool kit.

Title: Re: Blocking vacuum
Post by David on 01/17/13 at 18:25:23

When I fitted a Raptor I simply cut the hose off short and fitted a 5mm bolt with some silicon- checked the seal with the hose off the carby. When fitting to the carby put a couple of turns of soft tie wire around the hose and twisted off to secure

Title: Re: Blocking vacuum
Post by Digger on 01/17/13 at 20:33:08

Here's how I did that when I installed my Raptor petcock several years ago:

http://i235.photobucket.com/albums/ee201/Digger109/CarbVacuumPortPlugE.jpg

I squirted some RTV into the tube before folding it. The tube was the OEM vacuum line.

Title: Re: Blocking vacuum
Post by Paraquat on 01/18/13 at 06:17:04

I have 4 ports like that on the throttle body for my car. The rubber caps deteriorate within a year. They do make silicone caps. Even then I will goob in the inside with black RTV and then smash it on.
On my car, which is boosted, I will put a zip tie on it afterwards. On the bike I did not as there is no positive pressure in there.

--Steve

Title: Re: Blocking vacuum
Post by Roberto1444 on 01/18/13 at 17:58:36

Cut the hose off short and stick a steel ball from a bearing deep into it, very tightly. Done.

Title: Re: Blocking vacuum
Post by perajani on 01/22/13 at 12:51:51

OK, just did it. Solvered tin in it and capped with rubber cap.

Pics here how I did it http://s1185.beta.photobucket.com/user/perajani/library/Winter%202012-2013%20Part2

And this is how it looks like. http://i1185.photobucket.com/albums/z359/perajani/Winter%202012-2013%20Part2/IMG_1537_zps0442368c.jpg

Sorry my pics are so large that Just have to post links to photobucket...
:P