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[Thread Backward] Re: OIl change interval Ford vs. NavistaMsg # 5141 of 8004 on Powerstroke Diesel Conference (1)To: Mark Thomas, From: Jerry Time: Wednesday 01-28-98, 11:17 am How much money are we talking and where can I get the thermostat. Would love to run 8,000 between changes as long as it's good clean oil. Thanks Jerry. On Tuesday 01-27-98, 06:39 pm, Mark Thomas said: -Go with a cooler and daul filters. Use a wix 1773 -filter and put a thermostat in the oil line to -prevent over cooling the oil. -If this doesn't add enough oil use bigger filters. -I have this on my IDI 7.3L and works fine and oil -changes are no harder. -Has anyone put an oil temp gauge on after like the -Banks stage three kit to see what the oil temp is? -You might need the cooler. - - - - On Tuesday 01-27-98, 06:20 pm, Mark said: --Jerry, -- --Expand capacity by installing a remote filter --adapter on your PSD then use large diameter tubing --and an in-line pressure tank expansion is only --limited by the availible space. Oil changes will be --bi**h though. -- --Mark -- On Tuesday 01-27-98, 05:00 pm, Jerry said: ---Wish I knew of a semi easy way to add capacity to ---the system. Jerry. --- --- On Tuesday 01-27-98, 02:14 pm, Larry said: ----This is exactly what I was told when I called the ----Navistar help number and asked the oil change ----interval question. ---- ----Larry ---- ---- On Tuesday 01-27-98, 12:44 pm, Jay Chlebowski ---said: ----- On Tuesday 01-27-98, 11:39 am, Janos Dosa -said: ------Ford recommends 3000/5000miles for heavy ----duty/light ------duty usage. At the same time Navistar has 8000 ------miles recommendation with large filter. ------ ------Most of the Ford trucks are in the light PU ------category. Most of the Navistar trucks are in ----medium ------category. ------ ------Why change oil so frequently if the engine ------manufacturer recommends longer interval for oil ------change? ------ ------More frequent oil change is more expensive and ------polluting enviroinment. ------ ------Opinions? ----- -----Howdy Janos! ----- -----I'd say there are two factors enabling -Navistar's -----longer oil change intervals. ----- -----1. Higher oil capacity. The T444E holds 17 ---quarts -----vs. the 14 in the PowerStroke version of the -----engine. The difference probably results from --Ford -----using a smaller oil pan to fit within the --confines -----of the F & E-series vehicles. Since diesels are -----epsecially prone to soot accumulation in the oil -----(and the resulting wear that can occur), the ---higher -----capacity of oil translates in the ability to -hold -----more soot in suspension before a change is -----necessary. ----- -----2. The Extender filter technology. Now, I'm -not -----exactly sure how Navistar makes and/or specs the -----Extender filters, but the 8,000 mile interval is -----always footnoted as requiring the Extender ---filters. -----I'd say they're at least partially synthetic -with -----the ability to trap finer dirt & wear particles. ----- -----Best Regards, -----Jay Replies to this message:
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