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Old 03-27-2008, 05:19 PM   #1
imprezilization
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Default Mix your own Syn Blend!

I've been running Pennzoil Platinum 10-40 with great mpg (30+ hwy) and zero consumption. I used PP 10-30 for the last change, and had some consumption under some hard drivings.

Now, for whatever reason, PP 10-40 isn't available at walmart anymore. Since the weather is getting warmer, I really don't feel like running 10-30....

So I was thinking of mixing PP 5 or 10-30 with conventional Pennzoil 20-50, 50:50 mix, for 4k drain interval. I'll also send in sample for uoa.

Has anyone done this? what kind of weight am I looking at? something like a 15-40 or so?
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Old 03-27-2008, 07:21 PM   #2
jays05
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Didn't some european car owners have to mix different grades to get factory spec, years ago?
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Old 03-27-2008, 07:22 PM   #3
mikeythejew
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I bet they do not stock PP 10W40 because it's a slow seller. 10W40 as a whole has gone way down in percentage of use.

You could use a 5W40 oil. I have a valvoline synpower 5W40 UOA in this forum that did rather well. Good luck finding that particular oil.
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Old 03-27-2008, 09:45 PM   #4
bluesubie
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Old 03-28-2008, 01:26 AM   #5
Arctic Penguin
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5w40 rotella T is pure syn and cheap at walmart
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Old 03-28-2008, 01:28 AM   #6
imprezilization
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yup, saw the thread about the mobil 1 blends.

Dennis, actualy I posted the same question on Bitog as well. are you a regular on there too?
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Old 03-28-2008, 10:17 AM   #7
bluesubie
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Yep.

-Dennis
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Old 07-06-2008, 03:02 PM   #8
mmiller2002
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Quote:
Originally Posted by Arctic Penguin View Post
5w40 rotella T is pure syn and cheap at walmart
Does it matter that it didn't have the "SM" rating? I was just there today looking at oil and I wanted a 5or10W-40 synthetic. Rotella was the only one, but it didn;t have the same ratings as the gas-engine oils.

Thanks
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Old 07-06-2008, 07:50 PM   #9
gpshumway
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Quote:
Originally Posted by mmiller2002 View Post
Does it matter that it didn't have the "SM" rating? I was just there today looking at oil and I wanted a 5or10W-40 synthetic. Rotella was the only one, but it didn;t have the same ratings as the gas-engine oils.

Thanks
The short answer is no, many believe the older SL oils have generally better additive packages than the newer SM oils. That said, the most recent formulation of Rotella T meets the SM requirements for gasoline engines. The Rotella I purchased recently at Wal-Mart was the newer SM stuff.

Rotella Website HERE
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Old 07-06-2008, 10:04 PM   #10
sky44
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i used to make my own synthetic/dino blend when i had my corolla.

2 bottles of mobil 1 5w30 and 2 bottles of Mobil "clean 5000" 5w30.

the guy at advance auto parts told me it was a bad idea

probably was...

i got 153k out of that car before i sold it though. no oil consumption issues. still going i believe.
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