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CD Long Jr

312-8 exhaust valve & port

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CD Long Jr

I was settin' in the shed havin' my 1st coffee & a cigarette. A reply in my original post about the exhaust valve kept eatin' at me. "Looks like a food fight goin' on in there". I got to thinkin', carbon is black, this crap is brown. I got a pick and poked around; it crumpled. I have never seen carbon crumble. I remembered the homemade muffler had some big holes in it so I removed it. Fired up the air compressor, put on a 12" blow nozzle, stood back & blew around the exhaust. Crap went everywhere, then a mud dubber nest came out. 

Exhaust port 1.jpg

Valve seat 2.jpg

Exhaust port 2.jpg

Mud dubber nest.jpg

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ri702bill

The "food fight" comment was mine. I'd say that if not cleaned, the exhaust would have been a mite restricted. Best to find that stuff now. And luckily none of the winged critters were home.

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ebinmaine

Nice catch CD

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peter lena

@CD Long Jr   hard to imagine  what this guy was doing  , or basically  not caring  about  how any part of this worked , never  picked up one like that  , as stated ,  a tank clean out  as well as a  separate  heavily treated gallon of fuel  , lets you  enhance  running and adjustments . without question , that rislone zinc  will help cut / remove that  engine varnish . that engine heat  cleaning ring flush , has an amazing effect on neglect . have it in all my engines , zero smoke , also  2 fuel filters , 1 close to tank  another  close to carb , drop carb bowl  , probably  loaded with crud. would also  replace  all existing  fuel lines , fuel hose breakdown is very common,  sta bil fuel additive in all my  stuff , no issues at all , stay  with it  , pete    

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CD Long Jr
24 minutes ago, ri702bill said:

The "food fight" comment was mine. I'd say that if not cleaned, the exhaust would have been a mite restricted. Best to find that stuff now. And luckily none of the winged critters were home.

You saved me a lot of aggravation my friend!

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kpinnc
1 hour ago, CD Long Jr said:

mud dubber nest

 

My grandma used to say "all the Lord's creatures serve a purpose", but I have yet to uncover what some of them are... :lol:

 

 

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