Brad Penn 10-30 vs 20-50, Weight vs Temperature |
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Brad Penn 10-30 vs 20-50, Weight vs Temperature |
1988Hawk |
Jun 1 2014, 04:09 PM
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#1
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Newbie Group: Members Posts: 41 Joined: 17-April 08 From: Chicago Member No.: 8,929 Region Association: None |
On a 88 degree day in Chicago I have tested two oil weights and have gotten the following results:
1. Brad Penn 10-30W, with peak running temp 205 degrees. 2. Brad Penn 20-50W, with peak running temp 225 degrees. Both exhibited acceptable pressure, so the question is which one would you select for summer driving??? |
Elliot Cannon |
Jun 2 2014, 12:45 PM
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#2
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None |
I've used Mobil 1 15W50 since my engine was built 10 years ago. I went to a lighter viscosity once (Royal Purple 10W40) and I kept getting a low oil pressure light. The Mobil 1 works great for me and the bottom line is to use what ever works best for your engine.
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