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Old 07-10-2015, 08:25 PM   #31
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Default Re: does oil break down on a really long drive?
Yea short running isnt good for anypart of the vehicle.
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Old 07-10-2015, 11:29 PM   #32
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Default Re: does oil break down on a really long drive?
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Originally Posted by sprintman1 View Post
Short trips kill oil. Fuel dilution, more contaminants, oil shears to a lower viscosity etc etc.
Also, i believe the engine requires a slightly richer mixture at idle to keep the mass of rotating parts spinning over at a slow speed idling = bad, back in the old days of carby`s it would have been even worse as the old carbys where not known for precise fuel control.
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Old 08-10-2015, 03:40 PM   #33
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Default Re: does oil break down on a really long drive?
And more fuel is injected to compensate for the stuff that condenses on the cylinders.
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Old 08-10-2015, 07:07 PM   #34
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Default Re: does oil break down on a really long drive?
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Originally Posted by sprintman1 View Post
So what do you use?
Penrite. Been using it for 15 years now, and the only time I saw it start to fade was after mtiple high speed runs in summer. Mildly worked 351 on gas and about 6000 ks since last change. It was hpr gas 20/60 oil, so always looked clean, but checking dipstick, oil dripped when it normally doesn't.
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Old 08-10-2015, 07:10 PM   #35
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Default Re: does oil break down on a really long drive?
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Penrite. Been using it for 15 years now, and the only time I saw it start to fade was after mtiple high speed runs in summer. Mildly worked 351 on gas and about 6000 ks since last change. It was hpr gas 20/60 oil, so always looked clean, but checking dipstick, oil dripped when it normally doesn't.
Actually means nothing. If it sheared out of grade you might be worried but with a 60W you're pretty safe.
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Old 08-10-2015, 09:40 PM   #36
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Default Re: does oil break down on a really long drive?
When it was changed it was very watery, which concerned me damage may have been done. No damage and a fresh change, all was forgiven.
I was using a 25/70 in my old scorpion and old man had a few containers of mobil 25/60 older engine oil so decided to use that. Burnt a hell of a lot more, to the point I almost ran the sump dry in less than a week. Never happened with the penrite, weekly checks (about 900km) and only needed a top up once in 5000km. Same with the 351. Will never use so called name brand oils in a older car. Not saying they're bad, but once bitten.
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Old 10-10-2015, 09:06 AM   #37
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Default Re: does oil break down on a really long drive?
Valvoline, says it all doesn't it, crap oil. always has been and no doubt always will.
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Old 10-10-2015, 09:34 AM   #38
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Default Re: does oil break down on a really long drive?
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Valvoline, says it all doesn't it, crap oil. always has been and no doubt always will.
Would you like to share your personal experiences using Valvoline?

cheer's, Maka
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Old 10-10-2015, 12:24 PM   #39
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Default Re: does oil break down on a really long drive?
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Valvoline, says it all doesn't it, crap oil. always has been and no doubt always will.
Got some UOA's to share with us to prove your hypothesis?
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Old 10-10-2015, 02:47 PM   #40
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Default Re: does oil break down on a really long drive?
Dont feed the troll !!!
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Old 10-10-2015, 07:28 PM   #41
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Default Re: does oil break down on a really long drive?
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Dont feed the troll !!!
Just because the subject is beyond your comprehension doesn't mean it's trolling. Maybe spend some time at BITOG or NORIA and you might learn something
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Old 10-10-2015, 08:21 PM   #42
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Obvious troll is obvious...
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Old 10-10-2015, 08:50 PM   #43
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Obvious troll is obvious...
And you still believe ignorance is a virtue. You'll grow up one day, well maybe.................
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Old 11-10-2015, 08:38 AM   #44
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Default Re: does oil break down on a really long drive?
how is that being a Troll , maybe there high end stuff is ok(i dont know) but after using and seeing others use the cheaper valvoline xld in the 90's and seeing a grey rubber looking buildup in head and dropping oil pressure in more than one car , its the old once burnt twice shy for me
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Old 11-10-2015, 09:34 AM   #45
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Default Re: does oil break down on a really long drive?
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how is that being a Troll , maybe there high end stuff is ok(i dont know) but after using and seeing others use the cheaper valvoline xld in the 90's and seeing a grey rubber looking buildup in head and dropping oil pressure in more than one car , its the old once burnt twice shy for me
Ashland Inc make some fine products. And oil has come a very long way since the 90's. Better quality base stocks, better additive packages.
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