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<x-charset iso-8859-1>Interesting in my case that the guides are not worn, but I never installed the seals when I rebuilt it because the break off after a while and can cause nasty things to happen. worn guides will certainly exasperate the problem though. keith ----- Original Message ----- > Blue smokepuffs during deceleration by closing the throttle, I think > indicates worn valve guides. > The intake vacuum raises high while decelerating and the oil gets sucked in > through the valve guides. > Am I right here? > If so, Keith is right - thats no kritical problem (only unpleasant for the > cars behind you... ;-) ) > An engine with this symptoms might still have a long lifetime left. > > /Karl-Olov Sandin > '73 squareback, Sweden > > Keith P. wrote: > > >And BTW, some of my engines would go through a quart in 500 miles, > >sometimes, not others and still lived long lives. My current engine uses > >very little oil sometimes and others, like when I have to lift off the gas > >alot on the highway it uses more... and as ive mentioned before foggs the > >town on decelleration. Its done this for 40K or so and the compression is > >fine so Im really not worried a bit. > > > >oil is cheap! > > > >Keith > > ------------------------------------------------------------------- > List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org > > </x-charset>