2012 silber Ring size

[POLZIN]

Anybody know what the size of the O-rings on the 2012 Silber air box/ billet boots are. I want to order some just in case the shop here in town doesn't have them.

The ones in the kit where silicone anyone used anything else ?

 

[diamonddave]

Anybody know what the size of the O-rings on the 2012 Silber air box/ billet boots are. I want to order some just in case the shop here in town doesn't have them.

The ones in the kit where silicone anyone used anything else ?

If I remember correctly they are 2 1/8" ID x 2 1/2" OD

http://www.mcmaster.com/#catalog/118/3486/=grneap

 

[diamonddave]

Can't remember for sure but I bought a pack of 10 from Grainger.

On the package, the maker is RT Dygert and the number is 1KAU3. I think the size is 330.

http://www.rtdygert.com/as568-o-rings.html

Size 330 2.100 .018 .210 .2514 2-1/8 2-1/2 3/16

 

[joshkoltes]

Mine came with the orange silicone ones which are good for about two on and offs, I bought some Buena black ones that didn't seem to make as good of a seal, then tried viton which were too rigid to force on. I since bought a whole bag of silicone rings from McMaster and just change them every time the box comes off.

Also for a better seal on the throttle bodies, note the groove on the tb the ring sits in. If you look close you can see casting flaws making an uneven surface. Take a jewelers round file and smooth them out

 

[POLZIN]

I couldn't get anything but Viton in town they will be more of a fight to install for sure as they are 75 durometer where the silicone are 60. I machined a chamfer on the leading edges of my throttle bodies when I first installed the turbo kit so im hoping this will help. I will lube them with a bit of two stroke oil to help them slip over. the good thing is the Viton should be more durable.

Thanks for he input fellas

 

[kanedog]

It's very spooky that you are asking about O rings at this time. I just bought and installed your excellent steering Pro blocks and I have been researching o rings, measuring and thinking for the last 3 hours.
I think we are connected in a weird O ring kinda way!

 

[TurboMatt]

The key is smoothing out the edges of the TB and oring groove. I was ripping orings all the time upon install or removal until I smoothed it all out. I always lube up with syn grease.

 

[kanedog]

What do you use to smooth out the edges?
Love the idea!!!

 

[TurboMatt]

I used a fine grit stone bit in a pneumatic hand grinder to "chamfer" the front edge. I have a small fine grit ball stone bit that fit perfectly in the oring grooves on the TB's. This smoothed out the rough casting spots. Then I simply used a brown scotchbrite pad and spent 15 min rubbing down the leading edge and oring groove one the TB.
It worked really well!

 

[kanedog]

Your description almost sounds erotic!
Im gonna do the same!