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Old 02-06-2004, 12:13 AM   #1
poison
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Default OK, so what do you guys think of synthetic blends?

I just did an oil change today. Used a Purolator Pure One filter and Mobil Synthetic Blend 5/30.

I wonder what percentage of it is syn and what is dino. The bottle says it has 23% more performance additives than Dino, and will perform "significantly" better.

For those who read my other post, I used a blend last change and experienced no burning of oil, I didn't have to add a drop. I went 4000 miles.

I figure use a really good filter and decent oil in my n/a engine and I should be good.

Not a bad comprimise between effectiveness and cost.

What do you guys think?
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Old 02-06-2004, 02:02 AM   #2
Uncle Scotty
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I wouldn't mess with the blends on a turbo'd motor, but use in your TS they should be great.
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Old 02-06-2004, 02:33 AM   #3
poison
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Default Re: OK, so what do you guys think of synthetic blends?

Quote:
Not a bad comprimise between effectiveness and cost.

[/b]
I'm 'ignorint'
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Old 02-06-2004, 02:58 AM   #4
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There is absolutely nothing wrong with the performance of Group 3 Semi Synthetic "blends". However, I, and many others, have a big problem with certain companies calling their Group 3s synthetic and charging synthetic prices for it. I paid A$69 for a 5 litre bottle of 5w30 "brand C" (have a guess), and while it has performed pretty well, I won't buy it again.
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Old 02-06-2004, 10:20 AM   #5
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Most people suggest making your own blend since most brands won't tell you what the synthetic:dino ratio is. They might give you less synthetic than what the cost really is worth. Just buy afew quarts of each type (for me Castrol GTX and Syntec) and pour half dino and half synthetic into your engine to make sure you're getting a 50:50 ratio.

I myself have an oil change coming up this weekend and i've got alot of Castrol GTX dino oil to use up ever since i switched to 100% synthetic, so i'm going to use 2 quarts of dino and 2.8 quarts of synthetic with my next change.

check this: http://www.overboost.com/story.asp?id=1092
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Old 02-06-2004, 10:35 AM   #6
poison
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Good point psodotek, I thought of that after I already bought it. Next time I will do that.

Losiho, what is a 'group 3'?
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Old 02-06-2004, 11:48 AM   #7
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Then again, nothing beats replacing your oil and filter at regular intervals, dino or synthetic. (every 5000 miles for me)
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Old 02-06-2004, 05:38 PM   #8
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Group 1 and 2 = Mineral, "dino" oils
Group 3 = Hydrocracked, Semi synthetic, blends
Group 4 = PAO based 100% synthetic
Group 5 = Ester based 100% synthetic

check out the bobistheoilguy website for more info.
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