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Coupling intercooler piping question, V-band

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Old Nov 24, 2009 | 01:37 AM
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Default Coupling intercooler piping question, V-band
For those you who use V-band clamps, do you experience any boost leaks?

I found some pictures of some high boost cars using V-band clamps to hold the piping together. I'm assuming these are the same clamps as used in exhaust apps. right? If so do you silicone them or use a gasket or not or what?
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Old Nov 24, 2009 | 05:54 AM
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Wolfe makes some with o-rings. I am sure there are others who do as well.

http://www.wolferacecraft.com/vband.aspx
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Old Nov 24, 2009 | 11:32 AM
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I used aluminum for my IC piping to save weight. I got v-band sets with male/female sides and o-rings from racepartsolutions. No leaks.
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Old Nov 24, 2009 | 11:49 AM
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exactly what others have said...they use an o-ring to seal...
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Old Nov 24, 2009 | 01:37 PM
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Try anywhere that sells plumbin fittings. Or SS fittings. Not like ace hardware, but like a big supply shop. Idk how the O-ring don't melt under this extreme of temps.
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Old Nov 24, 2009 | 01:42 PM
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Originally Posted by 99LS6SS
Try anywhere that sells plumbin fittings. Or SS fittings. Not like ace hardware, but like a big supply shop. Idk how the O-ring don't melt under this extreme of temps.
orings are only used on the charge (cold side) piping.
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Old Nov 24, 2009 | 02:10 PM
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would beading the piping be as good, worse or better than o rings?
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Old Nov 24, 2009 | 02:17 PM
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Originally Posted by XtremeDime
would beading the piping be as good, worse or better than o rings?
the v-band is a positive lock...it will NOT come apart.
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Old Nov 24, 2009 | 02:26 PM
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I've seen some use vband on the crossover. Do they use a SS or Coper o-ring?
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Old Nov 24, 2009 | 02:36 PM
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Originally Posted by 99LS6SS
I've seen some use vband on the crossover. Do they use a SS or Coper o-ring?
I used nothing. Some use copper RTV. they expand when they get hot and seal pretty tight.
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Old Nov 24, 2009 | 02:44 PM
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Originally Posted by Fireball
the v-band is a positive lock...it will NOT come apart.
Im talking about on the charge side, vbands are only used on the hot side right?
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Old Nov 24, 2009 | 03:56 PM
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Originally Posted by XtremeDime
Im talking about on the charge side, vbands are only used on the hot side right?
nope

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Old Nov 24, 2009 | 04:14 PM
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Now how does that work? DId you have a vband flange welded to your throttle body? more pics of just the throttle body with the flange if you could
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Old Nov 25, 2009 | 06:08 AM
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Originally Posted by 99LS6SS
Now how does that work? DId you have a vband flange welded to your throttle body? more pics of just the throttle body with the flange if you could
We just welded an aluminum v-band flange to it...

we also had vbands at the turbo outlet and the intercooler inlet and outlet ports.

I don't have any great pictures of the throttle body flange...

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Old Nov 25, 2009 | 11:37 AM
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wow that turned out pretty good. good ideas
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Old Nov 26, 2009 | 01:50 PM
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Originally Posted by Fireball
We just welded an aluminum v-band flange to it...
Ever seen it done with a DBW?
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Old Jul 22, 2015 | 10:39 PM
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raceparts is the way to go
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Old Jul 23, 2015 | 12:13 AM
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Originally Posted by Jsmolar
raceparts is the way to go
Thanks bud.
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Old Jul 23, 2015 | 09:21 AM
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I would suggest always using O-rings on the aluminum coldside V-bands. Not always necessary, but they are cheap and will help seal even a warped flange.

Copper RTV on the hotside intead of O-rings.
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