RE: Synthetic Oil Change Intervals?

["Mike Miller (Volt) (Exchange)" <a-mikemi@Exchange.MICROSOFT.com>]

Human say:
>BTW the car has cost me $195.99/month to own, upkeep has been 127.54/month;
>putting on roughly 20,000 miles a year.


Lower than my costs - my 91 200Q is $138.08 /mo just for license tabs
($681/yr) and insurance ($976/yr). Then we get to add maintenance :-(
(as he takes the car in for timing belt change)

mike miller - Bonney Lake, WA
91 200Q

>----------
>From: 	human[SMTP:human@nh.ultranet.com]
>Sent: 	Tuesday, July 30, 1996 4:33 PM
>To: 	q g
>Subject: 	RE: Synthetic Oil Change Intervals?
>
>-- [ From: human * EMC.Ver #2.5.02 ] --
>
>I just changed the oil & filter in my n/a coupe after too long.  I run
>Syntec 5w50 and mann filters.  I must say, I'm "burning" less oil, the valve
>train >is< quieter,(the coolant temp a nudge lower?), and the high end !
>power! and ~speed~ have opened up.  The old oil looked like crud - black,
>smelly.  I feel synthetic should still be *good* when you take it out, right
>?  It should be changed before it goes bad.  I lean towards 5000 miles max
>but I'm lazy sometimes.  What the synthetic gets you is not a longer change
>interval but better lube qualities while it's in there.
>
>BTW the car has cost me $195.99/month to own, upkeep has been 127.54/month;
>putting on roughly 20,000 miles a year.
>
>huw
>82 cgt 210,000 miles
>
>PS what are DRL's?
>
>
>-------- REPLY, Original message follows --------
>
>>> Personally, I like changing oil more often (app. 3,000 miles), but on
>>> the other hand I've heard that since synthetic oil practically never
>>> breaks down, you can just leave it in and 7,500 miles is certainly not a
>>> very long interval in any case. For longevity's sake (and peace of mind)
>>> I'll stick with my 3,000 mile intervals.
>
>>If I recall, it's the gradual acidifying of engine oil that will become a
>problem later on. Granted, normal >dino oil does use a lot of viscosity
>modifiers, etc. that would not withstand usage than synth. >Although I hear
>synth has more stability in acidity, would you like to take a chance?
>
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>-------- REPLY, End of original message --------
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