#3 cylinder always ran hotter due to the oil cooler in the air flow. It was also retarded 2degrees for that reason. Better get that distributor on the proper lobe when timing the engine or something will go, Virg
On Mon, 26 Jun 2006 22:32:26 -0500 "Mark Langford" <n5...@hiwaay.net> writes: > James Ferris wrote: > > > I put that stuff in my VW bus in 1980 when it had omly 25,000 > miles and > > in the next 1,500 miles it droped a valve and destroyed theentire > > engine.I hope it has been improved since then. > > I own a bus (although it now resides in my father's pasture), and > that thing > was on the floor at all times, except when there was a red light or > stop > sign immediately ahead. At the risk of getting off topic, I doubt > that oil > causes dropped valves. Having been a "factory" VW mechanic in Las > Vegas, I > can tell you that most VW engine valve failures (especially in > buses) happen > after a long hill climb on a hot day, which weakens the connection > between > valve stem and its welded head due to prolonged high temperatures, > and then > you come over the hill and let off the gas and the valve head gets > pulled > off the stem by the high vacuum....and then you have a three > cylinder > engine, and your bus gets added to the line at the VW dealership > with all > the rest of the buses that await the mechanics on Monday morning, > and you > end up with what you describe. Just like clockwork. This doesn't > happen on > VW airplane engines due to the lack of high vacuum after a climb, > and our > habit of using one piece stainless valves, which is why you don't > usually > hear of this kind of failure in our useage. > > Mark Langford, Huntsville, Alabama > see KR2S project N56ML at http://home.hiwaay.net/~langford > email to N56ML "at" hiwaay.net > -------------------------------------------------------------- > > > _______________________________________ > Search the KRnet Archives at > http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > Virgil N. Salisbury - AMSOIL www.lubedealer.com/salisbury Miami ,Fl
