07-03-2010, 11:15 AM
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https://fintail.org
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Join Date: Jul 2008
Location: Surprise, AZ, USA
Posts: 3,777
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Quote:
Originally Posted by mercmad6.3
Anything synthetic requires really scary processes to make . nylon,propylene etc are all made from oil ... so you wont change the world that way. If you really want to save the world,drop the sump,(it doesn't use a gasket) and reseal it with permatex and use the correct grade of mineral oil . At least you wont be dripping oil all over the USA's highways where it is being washed into water tables where the synthetic oil adds a molecule to water ruining it forever.
I hope you are using oil designed for diesel because the black stuff in the diesels is carbon particles from the combustion process and the detergent in the oil is designed to collect it and deposit it the filter. That is why that filter is so big.
Also,your engine is OHC and the pump has high spring pressures running on a cam which activates the injector elements. This requires an oil with zinc. Since the advent of particle filters and catalytic convertors,the use of zinc was stopped and modern engines have things like roller cam rockers and lifters to reduce the pressure on the cams. Eventually your engine will wear out because the synthetic oil wont lubricate it properly,when it actually stays in the engine.  |
I am using Amsoil 15W40 DIESEL oil which has a high zinc-phosphorous content. I am all for the stopping of oil drilling (by making it unnecessary, not banning it). I also like the better lubricity and cleanliness of the synthetics. They can take more abuse as well. It's not going to leak out if the seals are replaced. I went through the same thing with a 1960s International Travelall I used to own. It leaked and then I replaced all of the engine seals. After that it was totally dry and didn't leak with synthetic oil. It might leak more than conventional oil if the seals are already bad. Besides, this is a 15W40 oil, not a super-thin 0W40 or 5W40 oil. When I got the car the whole engine was covered in an oily mess and it leaked 2 quarts of oil during the 40-minute drive home. This was with conventional oil. These leaks were pre-existing and in no way caused by synthetic oil. I did find that using 5W40 leaked more than 15W40.
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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
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