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09-11-2016, 04:52 PM | #1 |
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FYI - DKF section 1 vibration
Do you have a mysterious vibration?
I had a minor vibration issue that occurred this week. It was mainly noticeable at idle. When investigating, I found that the welds for the tabs that joined the two S pipes in the section 1 had failed on one side. This allowed the tab to vibrate against the pipe. The quick fix was to just bend the tabs up a bit to give them more clearance to the pipe.
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09-12-2016, 12:58 PM | #2 |
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thats not good!!!
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09-12-2016, 06:43 PM | #3 |
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Might be something to address in the off season.
If you have someone that can do a bit of TIG its a quick fix. It can be done on car as the missing welds are on the bottom side.
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09-13-2016, 09:30 PM | #6 | |
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It was superposed to be an enhancement that reduced drone by joining the pipes. On the plus side its likely easier to align things.
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09-14-2016, 06:03 AM | #7 | |
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The perforated metal sheets inside the resonators on my set appeared to be unfixed, so I'm thinking the pipes not being welded allowed for too much lateral flex under load, which caused the rattling. I'm not sure if those sheets were like that by design, but that was my situation.
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09-14-2016, 07:23 AM | #8 |
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I'm running CATs.
Just got back from a track day and noticed more exhaust noise (different) on the way home. May be similar to you, I'll investigate further today.
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09-14-2016, 06:00 PM | #9 |
My other car is on Mars
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Which was a big plus with the RE. The fit's a little iffy.
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09-15-2016, 10:11 AM | #10 |
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Update
OK I just put the car on the hoist & here's what I found.
This area looked fine when I bent the tab up for clearance. The weld break obviously weakened or tore away part of the pipe wall. After running all day at the track it finally popped through. Looks like I'll be taking it in to get the welds re-welded.
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09-15-2016, 12:31 PM | #11 |
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Wow. Hope Doug never uses that weld shop for ANYTHING ever again if he's got more projects in the pipeline. Hope this all gets worked out easily for you!
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09-15-2016, 12:44 PM | #12 |
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I purchased my DKF S1 second hand and before installing, noticed a crack in one of the welds. I had it re-welded and installed, but I wonder if this is an issue that may come back. Maybe this is caused by the cross braces holding the pipes too much in one place, not allowing for flex of fitment of aftermarket components, temp change, etc. Sorry to see it broke though inTgr8r, thanks for posting up.
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09-15-2016, 01:35 PM | #13 | |
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I have someone that can do a bit of TIG for me, the worst part is that it will have to come off the car. .....again lol
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09-16-2016, 02:28 AM | #14 | ||
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09-16-2016, 07:39 AM | #15 | |
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I hate those needle in a haystack type problems, I'll deal with ones like this any day.
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12-21-2016, 09:40 PM | #17 |
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DKF are no longer around, Its no longer available.
...unless one comes up in the classified section
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12-23-2016, 12:14 PM | #18 | |
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12-30-2016, 11:27 PM | #19 |
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12-31-2016, 08:02 AM | #20 |
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Not that I noticed.
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