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1988Hawk |
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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??? |
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1988Hawk |
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#2
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Newbie ![]() Group: Members Posts: 41 Joined: 17-April 08 From: Chicago Member No.: 8,929 Region Association: None ![]() |
My own theory is that the lighter weighted oil dissipates heat more effectively. I have seen this in past years when switching oil, when I first used BP 20-50 there was a noticeable increase in temps. |
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