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#3
08-15-2008, 08:10 PM
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here ya go...
Ernest Sweetland invented the modern oil filter in 1923, he named the new product "Purolator" -
a combination of the words: "PURE OIL LATER." The new oil filter was incorporated into the lubricating system AFTER the oil pump and BEFORE the oil flowed into pressure lubricated bearings of the engine. In 1924 first full pressure lubrication system, with an oil filter, became available on a high volume production engine. The early oil filters used on cars were low performance and not really effective. Many successful and popular engine designs (VW, FIAT) did not use any oil filters until 1970’s. Some engines used oil filters ONLY in "by-pass" and not in main flow of pressurized oil. The first use of a full flow oil filter on mass production vehicles occurred in 1946. The "spin-on" oil filter design was introduced in 1950’s.
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad 
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#4
08-15-2008, 11:22 PM
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well. i know one of the latest passenger cars not to have one. my fine 73 superbeetle had a technologically advanced metal screen, (with cardboard gaskets) that you rinsed in some solvent, and reinstalled. i am amazed it actually ran for more than 100k
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"The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread."
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