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914 EGT probe adaptors

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pbuttles(at)charter.net
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Posted: Wed May 25, 2011 4:04 pm Post subject: 914 EGT probe adaptors

Has any one had this problem ?

I am having a problem with the brass fitting, that attaches the EGT probe to the exhaust pipes.  I have had 4 fittings fail.  And when they fail, the probe gets loose and I get error readings on the EIS.  I have contacted EIS and told them of the problem and they say they have not heard of the problem.  I asked them to contact their supplier of the fitting to see if he can make one out of stainless steel.  They are researching.

 

The fitting is 1/8th pipe thread compression on 1 side, and 8mm on the other side (the side that threads into the exhaust pipe).  The 8mm side bends and the threads strip out....almost vanish.  I think it might be a combination of heat on the brass along with vibration.  I believe the exhaust pipe itself is stainless ....isn't it?  So it seems to make sense to use a stainless fitting.

 

 ???

 Tracy Buttles

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