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Old 02-01-2007, 04:15 AM   #1
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Default Oil Changing

One Thing i have noticed with both of my cars is what i do with my oil chanes. First add a half of a can of sea foam to your engine oil a day before your going to change your oil. second, i reccomend Royal Purple 10w30 (P/N 01130)and a (P/N 1040) napa filter or wix. I garentee you notice your car will run smoother and the oil comes out as clean as it goes in. My 94 cougar 4.6 had 308,000 miles on it when i sold it and the inside of the engine looked brand new. and i never had mechanical engine failure, just the good old 6 transmission swaps(typical ford) is all i spent money on
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Old 02-01-2007, 04:26 AM   #2
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Ok?
I can't justify the cost difference form mobile one to royal purple.
If you do regular maintaince, oil changes on time, and don't beat on your car it will look good when you dig into it at high miles.
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Old 02-01-2007, 05:52 AM   #3
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Royal Purple is a scam. It is 7 bucks a quart for 10w30? Sure synthetic oil is good, but with the 3800, not many people run pure synthetic anyway and the motors last over 300,000 not at all unheard of, Even people that dont change the oil nearly as often as they should still have good results with just about any generation of the 3.8s and a lot of other modern engines.

I see NO REASON to run pure synthetic in our cars, For the added price, lets say you pay the average for a normal synthetic we are talking 6 bucks a quart and you buy the walmart stuff for 1.50 a quart. Lets say your motor takes 5 quarts...cost of synthetic is 30 bucks when the cost of regular oil is $7.50.

You want your motor to last 100,000 miles.

You change your oil every 4000 miles.

25 oil changes, you save $22.50 each time, that is over $500 saved by running regular oil, is it really worth it? a low miles 3800 can be obtained at a yard in the $300-$500 range. What if you need to replace your motor anyway at that time for an unrelated failure such as a UIM? I see NO POINT in running expensive oil period. However I do run synthetic blend and I change it about every 4000 miles at the max since most of my driving is in the city.
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Old 02-01-2007, 01:29 PM   #4
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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.
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Old 02-01-2007, 01:29 PM   #5
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By your math, it would take an extra .005 cents to run full synthetic per mile. It is ABSOLUTELY worth that money to get better protection and more horsepower. Yes, you do get more horsepower running synthetic oil.

It is everyone'* choice as to what they run in their cars but nothing but Mobil 1 full synth goes in my car. And I change it when my DIC tells me too (somewhere around 5K usually)

EDIT: Royal Purple is not a scam, it is however overkill for street cars. If your running a race car, or drag racing frequently then I would recommend. We run it in both of our Turbo cars.
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Old 02-01-2007, 01:33 PM   #6
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My scam comment was related to the price in comparison to other synthetics.
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Old 02-01-2007, 01:37 PM   #7
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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 agree with that.... 3800 engines are not hard on oil... Some of the easiest engines on oil I have ever seen...

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Old 02-01-2007, 01:43 PM   #8
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I run Mobil 1 full synthetic with a Wix Filter and change it every 3,000 miles. Or atleast try to, I've gone over at most 1,000 miles. For the cost of normal oil versus synthetic, I'll spend the extra cash. But that Royal Purple stuff really doesnt sell that often unless its race season. It'* not for a street car.
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Old 02-01-2007, 01:48 PM   #9
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Quote:
Originally Posted by Pearl_bonnie02
I run Mobil 1 full synthetic with a Wix Filter and change it every 3,000 miles. Or atleast try to, I've gone over at most 1,000 miles. For the cost of normal oil versus synthetic, I'll spend the extra cash. But that Royal Purple stuff really doesnt sell that often unless its race season. It'* not for a street car.
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Old 02-01-2007, 01:53 PM   #10
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Mobil 1 Full Syn and either a Napa Gold or Mobil 1 filter here. 3-4K changes

I pride myself on how clean every engine I've ever owned was when I opened them up for service. While I choose to use Mobil 1 now, it'* not for everyone. I used to run dinojuice. For those not using synthetic, I'd suggest sticking to 3,000 miles only on changes. After that I had noticed pressure fluctuations from the oil breaking down.

Basics are.. maintain a motor well and it'll usually treat you well in return. Slack on maintenance, run over on oil changes.. when the oil is dirty, that'* when the sludge really starts building. I'm only a slacker on housework..not oil changes.
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