- #7693 of 8536
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Re: gas mpg in winter [chetj]
by shipo
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Jan 04, 2008 (7:20 pm)
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Replying to: chetj (Jan 04, 2008 3:01 pm)
Well, yes and no. In many areas of the country the oil companies are required by law to oxygenate their fuels for the winter months, especially in urban areas. That said, some time during the 2006-2007 winter the new EPA regulations for the metropolitan areas of New England (i.e. Hartford, Boston, and Portland) and the surrounding counties were required to convert from good old gasoline to gasoline with a 10% ethanol mix (often referred to E10).
The good news (errr, sort of) is that we get the same fuel here year-round. The bad news is that E10 is generally considered to reduce fuel economy from three to five percent. Keep in mind that due to the temperature of the intake charge in the winter time, fuel doesn't atomize as well and your mileage will suffer as a result. Said another way, here in New England, we get a double whammy in the winter time with both cold air and E10 fuel. 
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- #7694 of 8536
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Re: gas mpg in winter [shipo]
by ruking1
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Jan 04, 2008 (7:49 pm)
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Replying to: shipo (Jan 04, 2008 7:20 pm)
Yes, one of the reasons why your states' regulations are important for example is I had read in passing that in the USA, there are a at least 29 separate blends of RUG !!! And we wonder why RUG costs so much!?
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- #7695 of 8536
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Re: Best Place to Change Oil [ruking1]
by dchen2003
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Jan 05, 2008 (11:28 am)
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Replying to: ruking1 (Dec 28, 2007 4:12 pm)
I just switched to M1 for my 03 Camry. I read through all the post about synthetic oil is to extend the OCI on milage basis. But in my case, I have owned my Camry since 03, with only 33000 mi (2 mi commute in the morning and 2 mi in the afternoon, and about 1 or 2 vacations a year). That is about 6000 mi a year. So, before my car hit the 5000 mi, 7500 mi, or 10000mi that will take me one year or more. Based on the manual, it recommends to change oil 5000 mi or 6 month (the dealer uses dino), before I reach the milage, the time already pass 6 month. I am pretty confident to run M1 for more than 7500 mi but how about the time factor, stick to 6 month or more?
Thanks for any suggestions in advance
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- #7696 of 8536
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Re: Best Place to Change Oil [dchen2003]
by ruking1
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Jan 05, 2008 (12:55 pm)
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Replying to: dchen2003 (Jan 05, 2008 11:28 am)
I have run Mobil One 5w30 as long as 3 years (I have a 15,000 mile OCI's ) so as you can see, app 5000 miles per year. So 6,000 miles or 12 mo is really not a concern.
However if you have 3 years/36,000 mile warranty concerns, you can either ask for warranty fulfillment at the 33,000 to 36,000 miles period or just proceed as you had planned.
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- #7697 of 8536
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Re: Best Place to Change Oil [ruking1]
by dchen2003
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Jan 05, 2008 (1:41 pm)
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Replying to: ruking1 (Jan 05, 2008 12:55 pm)
Thanks for your help! One more thing, do I need to worry about the water in the oil which shipo mentioned can cause forming of acid?
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- #7698 of 8536
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Re: Best Place to Change Oil [dchen2003]
by ruking1
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Jan 05, 2008 (1:51 pm)
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Replying to: dchen2003 (Jan 05, 2008 1:41 pm)
If you do not change your operating conditions to so called "burn" off the water, using synthetic oil will not change the dynamic. What will change is the increased TBN from 7 (conventional oil) to 12., this means you will have greater acid fighting resistance with the synthetic, but the production of acids will NOT change So let me join with Shipo in highly recommending 30 mins to 60 mins of sustained highway operation to burn that off!!!!!
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- #7699 of 8536
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problem with this discussion
by smokey75
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Jan 09, 2008 (7:15 am)
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Is anyone else that subsribes to this discussion having problems? For the last week or so when I click on "Read New Posts" it keeps pulling up this forum even though there is no new posts. It keeps doing it until I click "Mark As Read" but then later it's back to doing it again. Engine Oil Part 2 is doing it also.
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- #7700 of 8536
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Re: problem with this discussion [smokey75]
by ruking1
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Jan 09, 2008 (7:17 am)
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Replying to: smokey75 (Jan 09, 2008 7:15 am)
Same here.
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- #7701 of 8536
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Re: problem with this discussion [ruking1]
by altair4
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Jan 09, 2008 (7:24 am)
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Replying to: ruking1 (Jan 09, 2008 7:17 am)
I was having the same problem with the "Diesels in the News" thread. I cancelled it from my "watched items."
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- #7702 of 8536
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Re: problem with this discussion [altair4]
by imidazol97
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Jan 09, 2008 (7:59 am)
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Replying to: altair4 (Jan 09, 2008 7:24 am)
To all:
try using the My Watched Items to navigate to forums. If I keep repeating the Mark As Read it will eventually catch that I've read them all and I click on Read New Posts and we're all set.
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