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Old 02-02-2007, 10:30 AM   #21
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MAC, he'* only had it one year.

Note his mention of tripling it'* mileage in one year?

Previous owner was the proverbial old lady.

Now back on topic......
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Old 02-03-2007, 02:53 AM   #22
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I garuntee at least an average of 3 mpg if you try royal purple. You will argue, but your car will show a noticable differance on smoothness. Right now we have mobil on on sale at napa for 5.19 a quart and royal purple is 5.69 a quart. not a huge differance? if you see it for 7 bucks they are privately owned..... And yes 3.8 engine do last forever but the way i drive and the -35 below weather we have right now, conventional oil has no chance against synthetic. Napa Oil is identical to valvoline oil just waY cheaper. Made in the same plant of Ashland Oil. You may argue but check it out your self. Also check what oil you use in your car and tell me what temp it can protect your engine 100%..
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Old 02-03-2007, 08:34 AM   #23
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Quote:
Originally Posted by MACDRIVE
A 1990 Bonneville being driven 200 miles per day and only having 70,000 miles on it. Something don't add up. :P
Car came to me in Feb 2006 with 24,000 on the clock. It went into service in April 2006 as my company car with about 25,000 on the clock (I'd have to dig out my log books from earlier in the year to give you the exact number.) All the rest of the milage has been racked up over the course of a year.

Which is another suggestion I have for you all. Start carrying a little notebook and record your milage. This may seem like a lot of work, but it helps to keep track of the car'* usage. I typically crank the car up in the morning, let it idle up to temp while I fetch a mug of coffee for the trip, then head off to my first call. Writting down the date, odometer, and location when I get there. Oil changes, service items, fuel usage all get jotted down in the little notebook too. Any failures/quirks go in there too. Every so often I compute the gas milage of the longer trips, just to see how the engine is doing in terms of fuel consumption.

Side benefit: Come april, when filling out form 1040 Sched C, I can confidently say "Yes" to the question "Do you have a written record? "
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Old 02-03-2007, 03:52 PM   #24
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Quote:
Originally Posted by Rogue
Yes, you do get more horsepower running synthetic oil.
I have never read before that a type of oil could have an effect on HP. Do you have a source I can look at?
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Old 02-03-2007, 04:24 PM   #25
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Quote:
Originally Posted by Boreas
Quote:
Originally Posted by Rogue
Yes, you do get more horsepower running synthetic oil.
I have never read before that a type of oil could have an effect on HP. Do you have a source I can look at?
The idea is that the synthetic oil (which is typically thinner than a comparable weight dino) reduces drag in internal engine parts.

i.e. it'* easier for the metal to move through synthetic than its thicker counterpart.

Source? The Law of Conservation of Energy.
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Old 02-03-2007, 04:46 PM   #26
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Quote:
Find me a 3800 with an oil breakdown related engine failure.
My dad'* old 93'. Oil was black as coal after 1000 miles all the time. The last time he ran it to 4500 miles and spun a bearing. Reason was sludge like oil. It was a rare case though. That car had 15K miles on it in 2001. I bought it with 96K in 2003. It sat for a long time and then miles were put on fast.
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Old 02-03-2007, 05:14 PM   #27
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I currently am running Mobil 1 with a PF47. This is the first time I am running it to 5,000 miles. I usually change it around 3,000. It is due in about....2,500 miles yet. Its nice not having to change it so much. Oh and satisfaction on Mobil 1? My engine runs WAY smoother, especially at high RPMs, I get better gas mileage, and I know my engine will be protected in the severe cold like we're having right now.
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Old 02-03-2007, 09:37 PM   #28
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Quote:
Originally Posted by willwren
Moved to General Chat. This isn't a Performance topic.

I agree with the Royal Purple scam call above. Find me a 3800 with an oil breakdown related engine failure. That'* a challenge.

I'll keep my Mobil1 at 5000 mile intervals.
I'll take pictures of 2 blocks inside my garage that my idiot brother blew up? 3.8 engines are bullet proof but not invincible?
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Old 02-03-2007, 09:44 PM   #29
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Quote:
Originally Posted by 95LHS
Quote:
Originally Posted by Boreas
Quote:
Originally Posted by Rogue
Yes, you do get more horsepower running synthetic oil.
I have never read before that a type of oil could have an effect on HP. Do you have a source I can look at?
The idea is that the synthetic oil (which is typically thinner than a comparable weight dino) reduces drag in internal engine parts.

i.e. it'* easier for the metal to move through synthetic than its thicker counterpart.

Source? The Law of Conservation of Energy.
COULDN'T HAVE SAID IT BETTER " GENIUS" ALSO THE BILLIONS OF LITTLE MOLOCULES IN SYNTHETIC (MAN MADE) OIL ACTS AS BILLIONS OF LITLE BALL BEARINGS TO LESSEN THE FRICTION OF OF METAL TO METAL. SAME THING YOU SAID JUST A LITTLE MORE SCIENTIFICALLY BETTER SAID FOR THE BRAINIACS ARGUEING MY SUGGESTIONS.
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Old 02-03-2007, 09:51 PM   #30
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Quote:
Originally Posted by wjcollier07
I currently am running Mobil 1 with a PF47. This is the first time I am running it to 5,000 miles. I usually change it around 3,000. It is due in about....2,500 miles yet. Its nice not having to change it so much. Oh and satisfaction on Mobil 1? My engine runs WAY smoother, especially at high RPMs, I get better gas mileage, and I know my engine will be protected in the severe cold like we're having right now.
CUT OPEN A WIX FILTER AND YOU FRAM THING AND COMPARE..... ITS FRICKEN CONSTRUCTION PAPER?
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