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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> header/muffler joint temp /cgi-bin/YaBB.pl?num=1315335514 Message started by weracerc on 09/06/11 at 11:58:34 |
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Title: header/muffler joint temp Post by weracerc on 09/06/11 at 11:58:34 anyone know what the temp @ the header/muffler joint max's out at? looking to see if it is <500F |
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Title: Re: header/muffler joint temp Post by mmosel on 09/06/11 at 12:28:22 I bet greater. Reason being, I was using the Red Permatex, and I don't think it held up. I switched to the copper stuff and it seems to be doing much better. But I also ended up with a better clamping solution. |
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Title: Re: header/muffler joint temp Post by Gyrobob on 09/07/11 at 04:53:23 131C594B5C4B4D4F44491B2A0 wrote:
The temp at the header where it joins the cylinder will be in excess of 1200 degrees when under full load. At night you might see it glowing. Steel glows cherry red in bright light at 1300-1400 degrees. The temp at the header/muffler joint will be maybe 450-550 degrees less than this. During a relaxed cruise, say, 50 mph on a level road on an 80 degree day, the temp might be in the neighborhood of your 500 degrees, but occasionally it will be higher. |
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Title: Re: header/muffler joint temp Post by justin_o_guy2 on 09/07/11 at 10:54:31 Its always a lot hotter than my rain gear will handle. |
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Title: Re: header/muffler joint temp Post by weracerc on 09/07/11 at 13:39:48 I will end the debate next time i ride - I will take my temp gun with me and check it mid ride (while stopped at a light of course) and post actual findings for all who are fighting the header/muffler seal/shift pops problem......and cant squeeze the pee out of the connection enough with a clamp or goo the joint with cooper rtv or jb wld or muffler patch or whatever and dont own a welder to seal it shut.......i just want it to quit stop shift popping, dad-gum-it! |
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Title: Re: header/muffler joint temp Post by Gyrobob on 09/07/11 at 14:45:05 78773220372026242F2270410 wrote:
When you slow to a stop, the temp at the joint will decrease very rapidly. It will not give an accurate reading for what is happening to the joint while at 60mph, for example. Maybe you could train someone on how to use your temp gun, take them for a ride, and have them get the temp while you are at speed. |
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Title: Re: header/muffler joint temp Post by mmosel on 09/07/11 at 14:52:58 This will be awesome data to have. Although I imagine it could vary a little from bike to bike, based on the exhaust adapter, the muffler and the carb jetting. |
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Title: Re: header/muffler joint temp Post by weracerc on 09/07/11 at 17:19:16 and the answer is on my 1996 with DEI Titanium header wrap: 652F At the head 465F at the joint 385F Muffler after my normal 45-50 mph ride about 15 miles while idling - same numbers when i got home +/- <5F idling after 30 mile ride @ < 50mph |
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Title: Re: header/muffler joint temp Post by Routy on 09/07/11 at 17:59:48 332C2A2D30370636063E2C206B590 wrote:
Rain gear ?? What about my leg ?? I learned the hard way when riding in shorts the other day. The heat shield didn't shield the heat !! >:( :o |
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Title: Re: header/muffler joint temp Post by Routy on 09/07/11 at 18:08:53 Quote: The temp at the header where it joins the cylinder will be in excess of 1200 degrees when under full load. --------------------------------------------------- There ya go for all those not so "direct fits" out there,......... just reassemble w/ silver solder paste, then wrap a few coils of silver solder around the joint,....then put'r under full load....pedal to the medal, till it sucks that silver solder right in there ! :o ::) No ?? :o |
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Title: Re: header/muffler joint temp Post by justin_o_guy2 on 09/07/11 at 18:58:08 4C4359425E584B49414F582A0 wrote:
Rain gear ?? What about my leg ?? I learned the hard way when riding in shorts the other day. The heat shield didn't shield the heat !! >:( :o [/quote] Thats a real bummer,, Do you need an Awwww Poor Baaaybee? ;D |
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Title: Re: header/muffler joint temp Post by Gyrobob on 09/07/11 at 19:01:26 131C594B5C4B4D4F44491B2A0 wrote:
Those numbers are considerably cooler than when you were at speed. |
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