| Author | Message | ||
     Jphish |
Curious about Muffler temperature. I know its variable, depending on ambient conditions etc. But for those of you that have a sensing unit, have you ever shot the muffler at operating temps ? Wondering if one really needs a 1200* paint or would 600* be sufficient? This is for the Muffler - NOT headers. Plan to leave those blotchy & multicolored. Thanks, j | ||
| Hughlysses |
John- I found this post that indicates it doesn't get about 450 deg. F: http://www.badweatherbikers.com/cgibin/discus/show .cgi?tpc=142838&post=1430575#POST1430575 I painted mine with Duplicolor high temp paint (which isn't very easy to find for some reason). See details here: http://www.badweatherbikers.com/cgibin/discus/show .cgi?tpc=142838&post=1603649#POST1603649 My paint job is still holding up well ~6 months later. | ||
| Ourdee |
Only place my exhaust hits over 600 is the first 12 inches of the header measured from the heads. I keep thinking about polishing my headers. I shot it for temp last summer just for kicks. | ||
| Jphish |
Thats good to know. Thanks guys. I'm considering an experiment with either POR15 or RustBullit - the later is good for sustained temps @ about 325*F and peak temps of 600*F for up to 24hrs. As of yet I havent found anything that lasts for a particularly long time - this is my 3rd attempt. This stuff comes in a can, self leveling and actually likes to paint over mild rust (not scale)... we'll see. Supposed to be pretty tough as it's 65% solids - spray cans have to be largely solvents to get thru the nozzle. Anyone ever used this stuff for this kind of application ? If not I'll "guinia pig" it and see what happens. Let ya all know - when riding weather gets here. j | ||
| Luftkoph |
used por 15 for other stuff seams to workgood I'm gona try there high temp paint on my muffler but wont be ableto test it till mid april or early may | ||
| Mikef5000 |
My muffler right the header inlet registered 420 degrees after just 20 minutes of normal riding in 60 degree weather. A long and/or hard ride would easily push it over 450, especially if it were hot outside. The 600 degree paint should be fine, but I'm a bit hesitant about the 450 degree paint (like POR15). I think I'm going to try this stuff:  Supposed to stop rust and is high heat. They sell it in spray cans and quarts, so I was going to go with the quart for a thicker initial application and easier touch-up down the road. | ||
| Dennis_c |
mike the barbecue paint that i used came off with gasoline. auto zone has 2000 degree paint and primer | ||
| Jphish |
Mike - Thanks for the temp tip. i havent seen the stuff you got - I'll look at that too, before I order rustbullit. j | ||
| Hughlysses |
This is what I used:  Odie also mentioned that's what he uses on Special Ops mufflers. I spent a lot of time prepping my muffler before painting and curing it afterwards (using a heat gun) before putting it back on the bike. I think doing those two things right is the secret to making the paint last. | ||
| Mikef5000 |
auto zone has 2000 degree paint and primer That's not really my priority though. 600 degree paint will work fine, what I'm looking for is something specifically designed to stop rust, rather than simply designed for high heat. Odie also mentioned that's what he uses on Special Ops mufflers. I have a Spec. Ops pipe that looks great after many years of use. Now I'm pretty tempted to switch to this paint. | ||
| Ghostrider |
It's conversations like this that make me glad I live in a place that's high and dry. Things don't rust here like they do in more humid climates or places where they salt the roads. | ||
| Buewulf |
We had a thread on this not long ago. Bromanowski just did his muffler in POR-15. I plan to do it as well. Here is the thread: http://www.badweatherbikers.com/buell/messages/327 77/520954.html?1260342708. It's probably the only thing that will stop the rust permanently. | ||
| Mikef5000 |
It's probably the only thing that will stop the rust permanently. Unless the excessive heat causes it to burn/flake off. The only place you could run into an issue is around the header inlet. | ||
| Buewulf |
The only place you could run into an issue is around the header inlet. The muffler temp around the inlet probably runs at about the temp threshold of POR-15. Only time will tell if it holds up, but I bet it will. 1324 had chimed in on the previously mentioned thread that he has had POR-15 on since July without any problems save for some top coat flaking around the top of the rear-most weld. | ||
| Jphish |
After researching a bit more I decided to try the 'rustbullit'. Same principal application process (2 coats over rust, but must remove scale) as the POR15 but no UV issues, thus not requiring a topcoat. I'll let you know how it goes. j |
