Posted by Ludwig on October 19, 2012 at 11:45:57 from (68.162.216.127):
Woo, I've been gone a long time, theres a lot more activity on this board than I remember.
Anyway, whats the current wisdom on plugs for a Super M?
If I remember correctly it has Champion D23s in it which are probably 30 years old. I'd bought some NGK (A7?) to put in but the base is too big and they wouldn't fit. I've not been happy with Champion plugs in recent years which is why I bought the NGKs. This tractor gets run probably 10-15 hours over 3-4 days each year mostly running a 6' bush hog in heavy to extremely heavy conditions. I ran it two weeks ago cutting brush and small trees. The brush was 5' tall and the trees (mostly poplar (quaking aspen) and balm of guiliad (bam-a-gillyard in Maine) which is apparently balsam poplar) really made the governor open up.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
... [Read Article]
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