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07-23-2003, 03:47 PM | #1 |
Scooby Guru
Member#: 6637
Join Date: May 2001
Chapter/Region:
MAIC
Location: Manassas
Vehicle:2005 Subaru Outback |
Thicker oil, and Spark plug gap makes a huge diffence
Well, I've been running 10w-30 Mobil One Synthetic for as long as I have had the turbo (a little over a year) and have'nt had any problems, but I was talking to a few tuners today and they suggested I try 15w-50 in the summer, it will provide more viscosity, allow less blow by, and reduce engine noise. Well, the car has'nt blown any smoke, the motor runs smoother and more quieter And the 10w-30 that was in there was only about 1000miles old, so it was'nt that dirty... By using 15w-50, am I risking hurting the motor at all?
Also, changed the spark plug gap from .032" to .028", and one of the spark plugs I guess I had forgot to gap before, cause it was around .035"... so I regapped them all, and I've noticed smoother idle, and the engine just runs smoother overall.. I'm not sure what made the bigger difference, the plug gap or the oil, but my motor is finnaly running smooth as butter
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07-23-2003, 05:15 PM | #2 |
Frank Army
Member#: 1457
Join Date: May 2000
Chapter/Region:
SWIC
Location: Phoenix, AZ
Vehicle:1999 Outback Sport Steel Blue Mica |
FWIW, I run the 15w50 in my RS-T (Mobil-1), and really like that weight and viscosity. It's worked well for me.
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07-23-2003, 07:19 PM | #3 |
Scooby Specialist
Member#: 31519
Join Date: Jan 2003
Chapter/Region:
MWSOC
Location: Glenview, IL
Vehicle:2022 Oversized Load 2020 Lotus Evora GT |
Would my assumption that it would be bad to have the heavier oil in during the colder parts of winter be correct?
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07-23-2003, 11:39 PM | #4 |
Frank Army
Member#: 1457
Join Date: May 2000
Chapter/Region:
SWIC
Location: Phoenix, AZ
Vehicle:1999 Outback Sport Steel Blue Mica |
Cold winters in AZ is like 40 degrees....
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07-23-2003, 11:45 PM | #5 | |
Scooby Specialist
Member#: 31519
Join Date: Jan 2003
Chapter/Region:
MWSOC
Location: Glenview, IL
Vehicle:2022 Oversized Load 2020 Lotus Evora GT |
Quote:
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07-24-2003, 09:49 AM | #6 |
Scooby Guru
Member#: 6637
Join Date: May 2001
Chapter/Region:
MAIC
Location: Manassas
Vehicle:2005 Subaru Outback |
I would'nt use the 15w-50 in the winter... I'm going to switch it back over to something like 10w-30 for the winter.
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