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Generally I'm with Jim. None of the 'Marvel Mystery Oil' type gunk ever touches my motors. I saw somebody put one can of STP Oil treatment (a little one-pint tennis-ball can type affair) into their car (in the summer), and it was too thick and bogged up the oil sump, and in approximately 2 minutes, no mo' bearings! The other side of the coin is, I watched the Slick 50 guys put in a quart of their snake oil into a lawn mower, and run it for about 10 minutes, and then drain the crank case completely, and start the engine up. Bugger ran literally for two hours, open throttle. That's a lawn mower engine though; who knows? Still isn't any in my car. > -----Original Message----- > From: Jim Adney [SMTP:jadney@vwtype3.org] > Sent: Sunday, December 06, 1998 12:15 PM > To: type3@vwtype3.org > Subject: Re: [T3] Oil additives? > > On 5 Dec 98, at 18:50, Naomi teWinkel wrote: > > > I keep noticing oil additives like Slick-50 that claim to reduce > friction > > and wear in the engine. They're supposed to last over oil changes too - > I > > sortof remember a commercial where they pulled the oil drain plug while > > the engine was running (after they had added the additive) and it kept > > running. Are these things any good? Has anyone tried these? > > I'm skeptical of most of these kinds of ads. To me they all fall > into the category of being t Ęt to be true. I have no personal > experience with Slick 50 except for one customer who was talked into > a full crankcase of it at the tune of $6/qt. That falls into the > catefory of the Sophomore Theorem: "If some is good, more is better" > which is almost never true. > > Another way to look at this is to look at the what it costs Ford and > GM each year when their CAFE (Corporate Average Fleet Economy) gas > mileage numbers don't quite measure up to the Federal requirements. > If they could squeeze just 1 more mi/gal out of each car by this kind > of approach it would save them millions of dollars a year. They > would do it. The fact that they don't is proof that it doesn't work, > since any reduction in friction will show up immediately in improved > gas mileage, as well as reduced engine wear. > > Jim > - > ******************************* > Jim Adney, jadney@vwtype3.org > Madison, Wisconsin, USA > ******************************* > > ------------------------------------------------------------------- > Search old messages on the Web! Visit http://www.vwtype3.org/list/