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My understanding is that, as copper radiators become less common and aluminum more, AFs, including green, are increasingly formulated for aluminum and as a result not as suitable for copper. I used to be in the habit of dumping in a can of anti-corrosion/water pump lube additive between AF...

thanks all, for the usual informed BTOG discussion. My conclusion is to stay away from LT for now, as it is a new product, without a long term track record, and developed to be cheaper alternative. Short term tests are no substitute for a long term track record on a large assortment of...

I have been using Motocraft semi for a while, but recently picked up a bunch of Kendall since it is also a Conoco semi, but is currently about half the price of the MC. Only thing is, it has "liquid titanium" in it, which is apparently Kendalls name for something which may or not be titanium...

What appears to be the same oil is sold in Lowes under the Pro Select label. It's funny, because they shelf it right next to the Briggs oil (which is in identical oddball size containers, with similar description), but the Briggs is $2 more for a 48 oz (!) container. Is there any reason to...

Anyone know how Stabil gas stabilizer deals with water? I tested some gas for ethanol, which had been previously treated with Stabil, and instead of the water and gas separating quickly as they normally do, the gas was very cloudly, and stayed that way, clearing a little over the next couple...

I agree that most engines that are run often run fine on E10. The problem is with those that are not run often and spend a lot of time in storage. I have a number of older engines on collector-type machines, that were not designed with ethanol in mind, and spend a lot of time sitting, so they...

Years ago when I worked at a Volvo dealership part of the lube ritual was to spray all the rubber suspension bushings with Indian Head Rubber Dressing. It was a clear, oily stuff, and fairly light viscosity - think it was a Permatex product, but haven't seen it in years.

I found out a while back that ethanol-free gas was still legal in the next county, so I picked up 10 gallons when I was up that way, and found all my small engines were starting and running better on it. I went back to restock this spring, and found the gas stations which had been selling it...

The Chevron site, which has a lot of general info on gas issues, says quite emphatically though with no explanation, NOT to use leftover 2-stroke gas in cars. I have always tended to do so when I got leftover when I am putting my 2 strokes away, figuring it would be a good top oil. Anyone know...

I have a buddy who is incredibly cheap but pretty clever. He's been reusing Auto RX by draining the oil with the Auto RX in it into a clean pan, straining it (through a coffee filter I think!) and saving it for a second or third use. If he has any ARX left in the bottle he'll add an ounce or two...

Just a brief postscript: I left the oil in, and was intrested to note that the gas mileage is, according to the MPG thingee (which is erratic enough that we don't put a huge amount of faith in it) up by about 1-1/2 mpg over the old stuff. Whatever that might have been - it was the first OC for...

Just changed the oil on '97 Saab (non-turbo 4). Thought I was pouring in 5W-30 Motorcraft semi, but as I was cleaning up noticed 2 of the 4 bottles were 5W-20 MC semi I must have grabbed by mistake. What now? Still some hot weather left and Saabs don't like 20. Do I: -leave it in an don't...

If the "Auto RX guarantee says it all", as you stated earlier, why on earth are you now saying I must read the FAQ before commenting on that guarantee? Re a point someone else raised in this thread, asking how Auto RX could possibly damage an engine, it should be obvious that anything which is...

I'm not trying to be contentious, but feel obliged to point out, the only Auto RX guarantee I could find on your website simply says you'll refund the purchase price if the customer is not satisfied. That's the basic "sucker bet" guarantee used by many dubious products, since statistically...

I disagree. Auto makers stonewall as long as they can, but all the aforementioned companies have acknowledged they have sludge problems, and recommended specific oils and change intervals to cope with it. Since they have recommended specific oils, recommending a cleaner would not be a very great...

I got thinking. Sludge is currently a major and expensive problem for VW, Saab and Toyota, among others. If there are products that can really desludge and engine, without taking it apart, why hasn't any of these companies endorsed them? I know there is a inbred bias against "snake oils", but...

I recall hearing a few months back that Conoco was supposed to be coming out with 10-30 semi synth in the spring, to match the already upgraded 5-30. Just occured to me that its just about spring. But I can't find the publicity release where they announced it. Anyone seen any yet?

This may be getting OT a bit, but K1 kerosene, the super-clear grade used in kerosene heaters and lamps, has recently started coming through with dye in it. While the dye is supposed to be entirely neutral, a lot of people are finding the dyed stuff greatly reduces wick life or requires much...

Can't remember when it was Conoco said they were coming out with semi-syn 10-30 in the spring anymore, or find the press release that discussed it. Anyone seen any yet?

I just had a head gasket replaced by a very competent Saab dealer. Since some coolant had gotten into the sump, they said they had changed the oil using Saab 5-30 semi but suggested I do it again very soon. I drove 50 miles home and kept noticing a slight chemical, pepperminty smell inside the...