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I'm getting my 986 put back together after having the radiator, starter, and alternator rebuilt.  I noticed yesterday there is a port above the exhaust manifold and below the muffler that is not plugged.  It looks like maybe a pipe plug would fit in there but I have nothing in there.  I'm not sure if this is where an EGT sensor might be placed on a tractor with a turbo or not.  I'm not sure if I should try to plug it or not, but I do know that exhaust is coming out of this opening when the tractor is running.  The parts book doesn't show anything that I can see.  I'll post a picture in a little while after I get to working on the tractor again.

Do I plug it or leave it open?

Thanks

Jesse

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X2 jessie plug er up.

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X3, all the carbon will screw up an alternator, not to mention making a mess.

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For temp guage.  My tri stripe 186 has a oem temp guage there

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I'm thinking of replacing the muffler as there is a nice crack forming where the outlet elbow is welded to the muffler. Any decent options for these? The ones I've seen so far are about $360.

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Jesse

      I would weld that crack with an Oxy-Acyletene torch and you may get a lot more hours out of it.

GT&T

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