for the guys that are into recreational oil changing...
in [Technical]
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From: M.M. on 30 Mar 2010 15:48 jim beam wrote: > On 03/30/2010 07:40 AM, dr_jeff wrote: >> Mark wrote: >>> I've always thought the 3,000 mile habit is stupid and wasteful for >>> the average passenger car. Mine typically go 5-6,000, another benefit >>> of changing my own is that I leave a lot less old oil in the pan than >>> the average Jiffy Lube by letting it drain all night. >> >> Does that really matter? > > of course not. the percentage difference it makes is vanishingly small. > ... > Then there's the risk that your wife will drive it to work in the morning, not knowing there's no oil in the engine...
From: Obveeus on 30 Mar 2010 15:51 "M.M." <nobody(a)nowhere.com> wrote in message news:7Assn.118983$K81.104206(a)newsfe18.iad... > jim beam wrote: >> On 03/30/2010 07:40 AM, dr_jeff wrote: >>> Mark wrote: >>>> I've always thought the 3,000 mile habit is stupid and wasteful for >>>> the average passenger car. Mine typically go 5-6,000, another benefit >>>> of changing my own is that I leave a lot less old oil in the pan than >>>> the average Jiffy Lube by letting it drain all night. >>> >>> Does that really matter? >> >> of course not. the percentage difference it makes is vanishingly small. On the other hand, changing the oil yourself will significantly cut down on other needed repairs to your vehicle because it eliminates the opportunity for other hands to cause problems.
From: FatterDumber& Happier Moe on 30 Mar 2010 18:16 jim beam wrote: > On 03/30/2010 06:33 AM, ACAR wrote: >> On Mar 29, 8:41�pm, jim beam<m...(a)privacy.net> wrote: >>> http://www.dtsc.ca.gov/TechnologyDevelopment/OPPTD_FLY_High-Efficienc... >>> >>> shock, horror, they used oil analysis to arrive at these >>> recommendations! >>> >>> -- >>> nomina rutrum rutrum >> >> 3M miles on 120 vehicles averages to 25K miles per vehicle. What's >> that, about a year on a fleet vehicle? That's supposed to be >> convincing? > > when i posted this - i was thinking of the people that do what their > granddaddy did, even though combustion technology, fuels, oils and > engine metallurgy are dramatically different these days. i was hoping > to enlighten, but i guess i'd forgotten just how rigidly proud some > people are of their ignorance and ability to keep their head stuck > firmly in that sand. > > next time you get sick, doubtless you're going to resort to burning > camphor and bread poultices. those "doctor" people and their > new-fangled "technology" and "drugs" clearly don't know what they're doing. > > Well, if someone else paid for the oil analysis I wouldn't mind running the oil until the magic numbers said to change the oil. I like my mom's Buick, the computer tells her when to get the oil changed. It didn't tell her to get the manifold gasket changed that started leaking but I'm sure GM is working on a sensor for that.
From: Bob Jones on 30 Mar 2010 19:55 "Elle" <honda.lioness(a)gmail.com> wrote in message news:3ebb0d52-9d5c-4fda-9d4c-e7d329ca1792(a)i25g2000yqm.googlegroups.com... On Mar 29, 6:41 pm, jim beam <m...(a)privacy.net> wrote: > http://www.dtsc.ca.gov/TechnologyDevelopment/OPPTD_FLY_High-Efficienc... > The article linked above is a good read and helps reinforce my belief > about going with the manufacturer's recommendations on oil change > intervals, or even longer. > The owner's manual for my 2003 Civic says to change the oil every 10k > miles or every year, whichever comes first, using 5W20 non-synthetic, > and assuming no extreme conditions, per what is explained to be > "extreme" in the owner's manual. > The wikipedia entry for "motor oil" talks about how oil standards have > changed, driving the increasing interval over the decades. That may be the case for normal driving condition. Most people drive in severe conditions.
From: ACAR on 30 Mar 2010 21:05
On Mar 30, 10:17 am, jim beam <m...(a)privacy.net> wrote: snip > > when i posted this - i was thinking of the people that do what their > granddaddy did, well, he "changed" oil by adding when it was a quart or two low. > even though combustion technology, fuels, oils and > engine metallurgy are dramatically different these days. i was hoping > to enlighten, but i guess i'd forgotten just how rigidly proud some > people are of their ignorance and ability to keep their head stuck > firmly in that sand. enlighten? Jim, you never enlighten, you issue directives. > > next time you get sick, doubtless you're going to resort to burning > camphor and bread poultices. those "doctor" people and their > new-fangled "technology" and "drugs" clearly don't know what they're doing. > generally, drug researchers don't make unqualified long term claims based on short term tests. let me put it another way; you'd have to be an idiot to believe you can project the results from a year test on fleet vehicles to 10 years or more of normal passenger car use. not to mention folks in cold country are rightfully skeptical of tests conducted in CA. are you familiar with engineering personality disorder? just kidding.... |