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![]() As Cal Bill says (not the other Bill, hi Bill:-)), once it builds to any extent as soon as the engine is revved up it gets blown through with the transfer of air, there isn't much spare room in the crankcase cavity it's all a very close fit. Ok The "problem" is that unlike a normal 2 stroke the oil is just raw oil & the very small amounts involved at low revs just hang around in there, getting overly hot. The overly hot oil bakes behind rings etc just aggravating an already bad situation. Doesnt sound good ... is this worse at idle or WOT? Can one spray anyhing in the air intake to remove this buildup? The proof is that Ficht had to "recommend" a special high temp tolerant oil (read vege oil:-)) & as if needed to confirm it even more E-Tec has used "special" high melting point alloy in it's pistons!!! Veggie oil? Good for the fish ![]() Merc is really obsessed that you shold only use their DFI oil. Of course one part is that it is like like liquid gold to them. Theu claim it is because it gets recirculated, which I find quiet the exaggeration... The only thing it does it flows through the comprssor and THEN throough the top crank bearing ... I wonder how this is recirculation and why home depot oil would have a problem with that... Maybe the real reason foit the DFI oil is the temperature resistance? Opinions? They dont want you to use even the best pure syntethic oil ... wonder why. Just to make money of their oil? Needless to say normal aluminium melts well over 1000F & petrol will auto ignite at any temp over 4-500F, so detonation is clearly what they know all about & instead of trying to solve the real cause they're just "trying" to make the pistons strong enough to survive detonation (& the related extreme temp rise) long enough that they will have a reduced failure rate, such that they can sell a few more till the public wakes up. In all fairness I have to say that the DFI motors that are on the market seem to be holding up well ![]() Thing is I would get a 4 stroke but for a jetdrive there is just no option to a 2 stroke. And it a lot of fun ![]() Other matter, assuming you have access to a computer that you can configure a little & you can download (free) any of the good newsreader programs, go to this site; http://news.individual.net/ YEah willlook into it but then i cant post from work (during lunch) and the news readers i had used SUCKED worse than google ![]() K The Krause lie of the day??? I take it, you dont like Harry? |