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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #1  
Old 21st March 2008
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Default Best Exhaust Clamps (pipe to head)?

Hey everyone

Just wondering what everyone has found to work the best for exhaust clamps for the pipe to the head on our ironheads. I've had two sets of these - http://www.jpcycles.com/productdetai...&page=&search= - and they don't seem to hold that well and they break really easily. Any ideas would be awesome!
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Old 21st March 2008
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Quote:
Originally Posted by zman69 View Post
Hey everyone

Just wondering what everyone has found to work the best for exhaust clamps for the pipe to the head on our ironheads. I've had two sets of these - http://www.jpcycles.com/productdetai...&page=&search= - and they don't seem to hold that well and they break really easily. Any ideas would be awesome!
The regular T-Bolt clamps work great on mine.

http://www.jpcycles.com/productdetai...haust%20clamps
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Old 21st March 2008
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These are the strongest and the band goes all the way around the full circumfrence of the pipe with no gap. I have used them for decades with no problems.
I am putting some on my inlet manifold too as part of my current rebuild.
http://www.jpcycles.com/productgroup...B-1799CF81061A
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Old 21st March 2008
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Originally Posted by Hopper View Post
These are the strongest and the band goes all the way around the full circumfrence of the pipe with no gap. I have used them for decades with no problems.
I am putting some on my inlet manifold too as part of my current rebuild.
http://www.jpcycles.com/productgroup...B-1799CF81061A
Those are actually the ones I have on intake and exhaust
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Old 21st March 2008
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Quote:
Originally Posted by zman69 View Post
Hey everyone

Just wondering what everyone has found to work the best for exhaust clamps for the pipe to the head on our ironheads. I've had two sets of these - http://www.jpcycles.com/productdetai...&page=&search= - and they don't seem to hold that well and they break really easily. Any ideas would be awesome!

I'm using the narrower version of these clamps but had to reinforce the welds since I broke one. Seems they are TIG welded but the metal is thin enough that it becomes weak. Now that I've re-welded the clamps they are holding nicely. Look nicer than the Tee clamps, in my opinion.

Eric
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Old 21st March 2008
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Whatever style of clamp you choose in the end the most important part is to use some form of Graphite Paste i.e. 'Betalube' on the threads. It is good up to 1100 degrees C (1900 degrees F). It is usually the heat cycles that make the nuts sieze or twist and break off when trying to tighten/re-tighten/remove.
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Old 21st March 2008
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Quote:
Whatever style of clamp you choose in the end the most important part is to use some form of Graphite Paste i.e. 'Betalube' on the threads. It is good up to 1100 degrees C (1900 degrees F). It is usually the heat cycles that make the nuts sieze or twist and break off when trying to tighten/re-tighten/remove.
great timing - thanks for your post. in the morning i'm going to install some new ones i just picked up. that's an awesome tip that i never would've considered. i love this forum!
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Old 21st March 2008
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Quote:
Originally Posted by ericfreeman View Post
I'm using the narrower version of these clamps but had to reinforce the welds since I broke one. Seems they are TIG welded but the metal is thin enough that it becomes weak. Now that I've re-welded the clamps they are holding nicely. Look nicer than the Tee clamps, in my opinion.

Eric
Now that you mention it, the old ones on my exhaust are a bit heavier duty than the new ones from JP Cycles I got for my intake manifold. Maybe they make these things in different thicknesses/grades?? I did see some heavy duty industrial strength ones last time I was a the local bearing and industrial machinery supply shop. They use them for industrial hoses etc.
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Old 21st March 2008
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Hate to say it, but I think the stock ones work the best. I've tried both styles linked to in the above posts, and the stock ones outperform them.
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  #10  
Old 21st March 2008
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I am running 2 inch pipes on my bike. Any one know where to get 2 inch clamps?
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