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Commando exhaust rose

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Commando exhaust rose

Posted by simon_beagle at August 04. 2017

I am a new member and wanted to ask if anyone has replaced the exhaust rose with stainless steel versions?

I am just concerned that the Stainless may fuse with the alloy head. Or can someone recommend something that can withstand the heat, such as grease to enable me in future to be able to remove?

 

Thanks Simon

Re: Commando exhaust rose

Posted by john_holmes at August 04. 2017

I use the Bronze ones, closer coefficient of expansion to aluminum alloy so less likely to loosen and do not rust. Stainless has its uses but can't see any advantage on these nuts over bronze and instead see a risk of threads stripping from seizure.

Re: Commando exhaust rose

Posted by simon_beagle at August 07. 2017

Thanks my thoughts as well

Re: Commando exhaust rose

Posted by simon_beagle at August 07. 2017

Previously john_holmes wrote:

I use the Bronze ones, closer coefficient of expansion to aluminum alloy so less likely to loosen and do not rust. Stainless has its uses but can't see any advantage on these nuts over bronze and instead see a risk of threads stripping from seizure.


Thanks my thoughts as well

Re: Commando exhaust rose

Posted by christopher_winsby at August 07. 2017

I use Bronze ones and Copper slip on them, re-tighten when hot.

remove when hot.

Re: Commando exhaust rose

Posted by Neil Wyatt at August 07. 2017

Previously christopher_winsby wrote:

I use Bronze ones and Copper slip on them, re-tighten when hot.

remove when hot.

 

I use some stainless as well, been doing so for years with no issues. The trick is as above, most especially when tightening the hotter the better.

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