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Old 06-11-2020, 09:11 PM   #1
Grumpys93
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How to Tighten a v-band more

So the v-band for my 44mm wastegate dump tube seems to not hold the dump tube well. I have the v band torqued down as much as I can, but it still allows it to move side to side.

This side to side motion causes the dump tube to rest on the down pipe next to it. Which causes it to make a vibration noise and it’s driving me crazy.

The v-band doesn’t leak, it just allows the tube to move side to side. Is there a way to bend the clamp more or is it time to just get a new v band?
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Old 06-12-2020, 12:06 PM   #2
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Ya, i had this problem. Like this?

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Old 06-12-2020, 04:55 PM   #3
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it looks like your v-band is leaking also. Have you tried another clamp?
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Old 06-12-2020, 07:32 PM   #4
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Quote:
Originally Posted by steelbluesleepR View Post
it looks like your v-band is leaking also. Have you tried another clamp?
Naaa. rotated it, clamped it back on. Looks fine now.
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Old 06-12-2020, 08:53 PM   #5
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shit, I thought you were the OP, showing a picture of the issue.

Grumpy, your best option might just be to weld a bracket between the two pipes, v-bands aren't really designed to keep things from spinning.
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Originally Posted by Stephen Fry
'It's now very common to hear people say, "I'm rather offended by that", as if that gives them certain rights. It's no more than a whine. It has no meaning, it has no purpose, it has no reason to be respected as a phrase. "I'm offended by that." Well, so fucking what?' —Stephen Fry
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Old 06-13-2020, 07:17 AM   #6
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I'm guessing your V-bands are flat-faced, like this?:




Get flanges that have a lip, so it works like a hub-centric ring/male-female interlock:




Flat-faced flanges can be offset over the pipe they're welded onto to provide the same effect, if your particular situation allows you flexibility to modify them. This photo being the female side; for the male side you'd weld it with the exhaust pipe sticking out past the flange just enough to fit into the female side. Like I'm saying, though, this might not work in your situation given the wastegate.

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