Re: "HOLY SMOKE" Synths, remove deposits and cause oil use - NOT!

[avi@cosmoslink.net]

HOLY SMOKE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Somebody that make sense?.........................

No it can't be, I must be dreaming......................

Avi
with love to all "Distinguished listers" and yes, also, "none distinguished
ones"


At 10:02 AM 1/9/98 -0500, you wrote:
>The argument that putting synths in dino-only engines, getting oil
>consumption, and blaming it on deposits being removed by the synths just
>doesn't wash, at least not in some cases.
>
>THREE REASONS:
>
>1) If that were the only reason then returning to dino oil would not
>IMMEDIATELY cure the consumption problem (BTDT - repeatedly).
>
>2) It also would not explain why synths would show consumption in an engine
>with a rebuilt head (and just fine rings, compression, etc.) that when
>switched to dino, again would IMMEDIATELY be cured of consumption troubles
>(BTST).
>
>3) If synths removing the deposits (where were these deposits supposed to
>be that were PREVENTING consumption anyway?  cylinder walls?  valve
>guides?) caused consumption, then these older (dino) engines would show
>consumption when the engines were cleaned with other deposit removal
>products.
>
>Yes viscousity indexes were the same yadda, yadda, yadda
>
>Valve guide seal incompatability is what I am thinking of...
>
>As far as deposits are concerned, I've seen more combusiton chamber and
>valve deposits WITH synths than with dino (on engines that burned some oil)
>and vice versa for the rest of the engine - so which deposits do you want?
>
>THINK ABOUT IT!  Synths main selling point is ability to resist THERMAL
>BREAKDOWN.  That means they don't change chemical and molecular makeup when
>the sh*t hits the frying pan (so to speak).  That's positively wonderful
>for bearings and wear surfaces (like turbos eh!) in a hot engine.  It sucks
>for the combusion chamber 'cause the stuff isn't going to burn and blow out
>the exhaust, its just gonna get sticky and hang around (deposits).
>
>So?
>
>If your engine doesn't consume synth then fine, use it.  If it consumes it,
>then I say get it out of there because you are going to have worse piston
>and valve deposits than with dino.  Of course if you are using some sort of
>"snake oil" to remove the (valve and piston) deposits (Techron?  MMO?) then
>you're fine either way but that doesn't mean that the engine isn't forming
>deposits (synth or dino) just that you are removing them by other means.
>If one type of oil causes consumption and switching to another cures it
>then I am going to use the oil that doesn't cause consumption - why the
>heck wouldn't I?
>
>Perhaps someone else said it best though, use what works for you, maybe use
>whats been in the motor historicaly.  Me, I'll be using dino in the motor
>and synths in the gearcases thank you very much.
>
>JMHOOC
>
>Flame suit on...
>
>Mike
>
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>
>=============================================================================
>Mike Marion, Optronics - mmarion@optronics-intl.com
>1990 Coupe Quattro - Lago Blue
>1984 BMW R100RS "Last Edition" - Pearl White
>???? VW Quantum Syncro Wagon - maybe, or maybe not
>1995 Mitsubishi Montero, RWD/AWD/4WD - almost new and FOR SALE!!!!!!
>===========================================================================
==
Mi
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