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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Good exhaust seal? /cgi-bin/YaBB.pl?num=1319591139 Message started by built2last66 on 10/25/11 at 18:05:39 |
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Title: Good exhaust seal? Post by built2last66 on 10/25/11 at 18:05:39 I tried a search but the search is broken at the moment... anyone know of a good way to seal the header to muffler (aside from Serowbots can method and using muffler seal paste crap)? My pipe that needs a good seal is 1 5/8th inches (1.65).. I had a broken clamp and I ordered a new one, but I'm not sure if it's gonna seal correctly.. |
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Title: Re: Good exhaust seal? Post by Gyrobob on 10/25/11 at 18:42:25 35223E3B23653B3624236161570 wrote:
You have to size the mating parts so they fit so tightly it is hard to get them to slide together. Then use one of the very heavy-duty exhaust clamps that are powerful enough to literally squeeze the joint together. Done properly you are actually crushing (swaging?) the pipes in the joint together. You might consider some of these: http://www.ebay.com/itm/Motorcycle-Exhaust-End-Can-LinkPipe-Banjo-Clamp-59-63mm-/290555896825?pt=UK_Motorcycle_Parts&hash=item43a67b23f9 https://www.denniskirk.com/442692.sku?utm_source=pricegrabber&utm_medium=cse http://www.jcwhitney.com/bikers-choice-heavy-duty-custom-header-clamps/p2027302.jcwx?skuId=1001561&filterid=c14666j3\ If the joint is fitting loosely, no amount of "muffler seal paste crap" will hold very long. |
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Title: Re: Good exhaust seal? Post by splash07 on 10/25/11 at 20:01:58 you may want to consider an adapter so that each side fits snuggly, would require two heavy duty clamps but would ensure proper fit. |
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Title: Re: Good exhaust seal? Post by thumperclone on 10/25/11 at 20:36:49 i kept breakin those harley type clamps bought a automotive type,U bent bolt,nuts on both ends,and a bar.. 3 years no probs 7" chrome heat shield hides the ungliness.. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/25/11 at 20:39:41 Gyrobob I already ordered 2 of those Cobra T clamps earlier today, I'm hoping they're strong enough and do the trick... |
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Title: Re: Good exhaust seal? Post by Gyrobob on 10/25/11 at 21:12:16 5C4B57524A0C525F4D4A08083E0 wrote:
Great. I hope they work too. They look like pretty tough pieces. I still think the key is to have all the pieces fit as precisely as possible first. Then all the clamp has to do is to keep them joined up. The clamp can not actually be part of the structure,.. it's not designed to support the load, just keep it all tight. I'm considering welding mine together on the double RYCA build. Then I'd have just one piece that would not come apart. It would be a little cumbersome if I had to get to something inboard of the muffler or pipe, but at least it would stay together. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/25/11 at 21:57:29 I don't even know how I got this leak and I can't find a single thing wrong with the pipe..so I'm assuming the clamp provided had a little issue.. its the Raask dragpipe so the heat shield keeps it from being wielded or I'd just do that, I wish it was all 1 piece like he used to make them.. but then again, I do have a 60mm header pipe now that I can use with another muffler :D If the clamps don't work I guess I'm getting a muffler expander and re-clamp.. http://www.sjdiscounttools.com/lis32500.html |
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Title: Re: Good exhaust seal? Post by Serowbot on 10/25/11 at 23:29:19 cut enough slits in the muffler end, so that the clamp can cinch down... that's the key... Slits!... It's all about the slits... :-? |
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Title: Re: Good exhaust seal? Post by arteacher on 10/26/11 at 02:49:13 Did you use the clamp that Raask sent with the system? It is a very cheap clamp and didn't put much clamping power on the joint before it broke. I replaced it with a better clamp I got at the dealer, reefed on it, let it heat and cool a couple of times then reefed on it again and have had no problems since. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/26/11 at 06:41:29 Arteacher yep I broke my stock clamp.. what do you mean you reefed them? |
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Title: Re: Good exhaust seal? Post by arteacher on 10/26/11 at 06:46:03 "reefed"-tightened hard. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/26/11 at 06:48:50 Serowbot the slits on it are long enough already, I'm throwing an extra clamp over those too just in case.. man I have some crazy exhaust problems.. If I end up getting that pipe expander then I can just throw in my steel can and double clamp.. I'm never ever using muffler seal paste crap again, last time I used it I let it cure for over a day and my old Dyna muffler sounds like a tambourine when you shake it. |
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Title: Re: Good exhaust seal? Post by MotoBuddha on 10/26/11 at 19:30:19 7B454E535E535E3C0 wrote:
You might consider some of these: http://www.ebay.com/itm/Motorcycle-Exhaust-End-Can-LinkPipe-Banjo-Clamp-59-63mm-/290555896825?pt=UK_Motorcycle_Parts&hash=item43a67b23f9 https://www.denniskirk.com/442692.sku?utm_source=pricegrabber&utm_medium=cse http://www.jcwhitney.com/bikers-choice-heavy-duty-custom-header-clamps/p2027302.jcwx?skuId=1001561&filterid=c14666j3\ [/quote] Check the diameter specs on any clamp you might buy. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/26/11 at 20:49:14 I have the right diameter, I'm just hoping the Cobra T clamps are wide enough... |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 10:23:28 Arteacher did you tighten it down hard while the pipe was hot? Or just tighten, heat up, cool down, tighten, heat up, cool down, tighten... |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 11:22:03 Nevermind.. the pipe is cracked.. |
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Title: Re: Good exhaust seal? Post by arteacher on 10/29/11 at 11:22:23 Cool. 8-) |
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Title: Re: Good exhaust seal? Post by Gyrobob on 10/29/11 at 11:50:23 34233F3A22643A3725226060560 wrote:
Fit it all together nice and tight. Use the clamp(s) if necessary, to hold everything in alignment. Weld the sucker!! Make it all one piece. No leaks. No coming apart. The only downside it that it will be a pain if you have to do some work on something that needs clearance around the exhaust system. How often does THAT happen, though? |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 12:01:54 Yep its cracked.. good thing it's on the side facing bike and won't show if I get it welded...the crack doesn't go around any further... I'm beginning to think I should just start making my own exhausts... http://i41.tinypic.com/2lkenwg.jpg http://i44.tinypic.com/2mhz8qq.jpg |
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Title: Re: Good exhaust seal? Post by arteacher on 10/29/11 at 12:13:22 Why not see what Seivert at Raask has to say about it? Then go back to the idiot that put it on in the first place and raise h$ll. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 12:14:27 7F74747D717E7F6564100 wrote:
I already emailed him and sent him pics.. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 14:11:23 It probably cracked from vibration... oh well, MIG/TIG welders here I come.. :D |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/29/11 at 18:43:10 Am I the only one that races so hard I break the drag pipe? :D |
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Title: Re: Good exhaust seal? Post by arteacher on 10/30/11 at 05:01:14 My guess would be that too much strain was put on the header when the idiot installed it without the mounting bracket, pulling the exhaust too close to the bike. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/30/11 at 09:30:32 2B202029252A2B3130440 wrote:
I didn't drive it like that but for 30 minutes home... |
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Title: Re: Good exhaust seal? Post by arteacher on 10/30/11 at 10:57:04 It might have been split before you drove it home. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/30/11 at 13:13:26 666D6D646867667C7D090 wrote:
It wasn't because I checked it after re-installing it after that mechanic botched it... I didn't notice the leak until about 2 weeks ago... technically if you can see how the pipe is made it SHOULD have broken at the seam instead of where it cracked.. I always check my tires, oil, fuel, brakes, and exhaust before driving.. hopefully a $20 weld job and its fine. |
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Title: Re: Good exhaust seal? Post by built2last66 on 10/30/11 at 13:17:59 I kinda want to paint the whole exhaust flat black :D |
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