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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Exhaust: Headers, Muffler, Gaskets, Supports » Archive through April 30, 2008 » Exhaust heat shield « Previous Next »

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Briarpatch
Posted on Wednesday, August 22, 2007 - 10:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've put a stainless exhaust pipe on my 97 M-2 (THANKS, Cornel) and I touched up the leg shield with flat black BBQ paint. I started thinking about all the wood stoves I've painted flat black so they would radiate heat more effectively. Would a polished or silver painted shield be cooler on my leg, or does the flat black paint hold heat into the shield? THANKS - Stan
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Diablobrian
Posted on Wednesday, August 22, 2007 - 11:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You are correct in that polished or silver do radiate heat less efficiently than black does.

The Navy had us paint all of our exposed hp steam pipes with "low emissivity" silver paint to keep heat down in the engine rooms. 'nuf said.
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Blake
Posted on Thursday, August 23, 2007 - 12:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I agree on the black versus shiny issue.

However, the stock heat shield is pretty well insulated, so the radiant heating it emits is not likely much of a factor.
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Briarpatch
Posted on Thursday, August 23, 2007 - 09:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well, I removed the paint and semi-polished the shield. It doesn't respond to a magnet, so maybe it wont tarnish or rust. It looks surprisingly good; doesn't jump out at you like it did painted flat black, and matches the recall shock cover. THANKS, guys!!!! Stan
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Hepburnhoney
Posted on Wednesday, September 12, 2007 - 04:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Kind of on the same note! I have an XB12r and heard that there is some sort of heat shield that can be added so that my right thigh no longer blisters, my only fear is that the heat that is supposed to be released and won't be could cause some overheating any suggestions...
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Buell_bert
Posted on Thursday, September 13, 2007 - 01:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think the heat shield is to protect your leg. Thus the radiant heat will seem less on your leg with silver color and increase the temp. out of your exhaust. This has been shown on ceramic coated pipes with the different colors.
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