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[Thread Backward] Re: OIl change interval Ford vs. NavistaMsg # 5140 of 8004 on Powerstroke Diesel Conference (1)To: Mark, From: Jerry Time: Wednesday 01-28-98, 11:12 am Is this Mark Thomas? I would need an inline pressure tank? Sounds sort of bulky. Jerry. 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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