Straight 40 wt oil (do not use mutli-vis as the oil is too thin and will get go thru your rings into the cylinder until it warms up and the viscosity increases) will help a little.I keep fouling plugs, quickly I might add, so Im going to try using the anti-foul plug adapters to help increase the time between foulings and hopefully get me through the season.
My local parts store had them in stock, but the package says not to use them in more than half your cylinders.anyone know why They had no idea. I would like to hear from those of you who have, or are, using them. Also, would going to a heavier weight motor oil help reduce the amount of oil getting past the rings What weight. Had an aqaintence that was the Ferguson dealer and chief mechanic for the dealership. He was also an airplane pilot with his own plane, that plane had a tach and without Stp as to with STP he said he could get an extra 100 RPM with and that was enough of a power boost for the plane to fly better. Several things you definately want to do: - go to a heavier weight oil. Im going to overhaul it anyway, it wont hurt to mix and match for now. Oil pressure will probably improve as a side effect. Go to a hotter plug. I have two sets of Autolite 437s that I swap out every other time I mow. I used to have 4 gunky plugs everytime I changed them but now, only 1 is still nasty. But at least now I know where that broken ring I found in the oil last time came from. I run 93 octane in mine and slip a can of Marvel Mystery Oil in the tank every other fillup. BUT different people have different opinions on this stuff and you can read plenty about it in the archives. If you think you may have a sticky ringvalve problem allowing oil to seep by you might try to spray a can of rust penetrant in the carb at full throttle. If you do use this stuff, just remember to be out in the middle of nowhere or you might have some upset neighbors and also run some carb cleaner through it afterwards. Even if it doesnt do anything for the engine, it does wonders for keeping the West Nile skeeters at bay. My Dad is 76 and he told me this is what they used to do when he was younger. It works, My 8 n was fouling numer 1 everytime I cut grass (7 acres). Get a peice of solid wire and make a fire jumper,(hook the wire to the plug and the plug wie to the wire lol ).Dont laugh it works. They tell you not to use the plugs in more than 12 of your cylinders because the trade off for keeping the anti-foul plugs clean is lowered performance. It is also IMBALANCED performance which will wear out your engine that much quicker, so dont use them. The anti-foul plug has a curtain type spark (i.e., it isnt like a fine, tight, intense spark, but a spark distributed over a wider surface area of the plug tip). This has the effect of burning off carbonoil over a wider area of the tip but, by distributing the spark over that wider area, you have a less intense spark (the reason for poorer performance).
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