high everyone a week or so ago I had a brand new left exhaust header pipe replaced on my
coupe and at that time did a mini annual as it's nice to get in there with the mechanic and make sure that everything is OK so we removed all the plugs and they looked really great except that the center electrode on several of them looks oblong or they look well used while there we did a compression check all looks good so far so good no reason to think otherwise so looked aroud alittle more things look very tight and snug as they should we put on the header pipe and then used some solution on the engine to clean it down not that it was dirty just that like most of you guys i like clean everything the header pipe was purchased at univair . A week or so goes by and we have some rain here in Ill so after the rain I needed an altitude adjustment so off to the airport I went get out my checklist and began when I got to the left engine side I gazed at my new pipe it is full of RUST IN A LOT OF PLACES I'm not a happy camper I called Univair they will replace it minus any labor incurred--- great- double the cost of the install and reinstall I should have gone stainless maybe I will with the exchange unless you the great coupe collective(trekkies) have a spray that inhibits the rust and is heat sensitive you know what I mean any way thats the story another question how much play should we have in the MLG pivot knuckle thanks all dennis 99564
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