 another oil thread question:, does mobile 1 0-40 have sufficient zppd? (1100 phos, 1100 zinc ) |
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| DRPHIL914 |
 Jul 25 2015, 09:40 AM
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Dr. Phil  Group: Members Posts: 5,801 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States 
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I want to switch from 20/50 to a 40wt on top end .
I was running valvoline 20-50 vr1, our store does not carry 10-40 vr1 I already have a bunch of M1 0-40, their M1 racing oil has 1400ppm. Is 1100 enough? |
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| DRPHIL914 |
Jul 25 2015, 10:27 AM
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Dr. Phil Group: Members Posts: 5,801 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States
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Thanks Mark.
With all the discussion recently I decided to see if tthe10/40 would run cooler as some have said here, and the 20/50 seemed even for our heat too high. Car has rum hotter since I switched to it. But I have the 0-40 left over from the boxster, WI h was what they recommended for year round in that car. I'll try to find some 10/40 with at least that amount of zinc. Might go with the Mobil 1 v4 racing oil. Sludge is a factor for sure. Had a friend with a Volvo that had severe sludge oroblems, they wanted to replace the enginge. He switched to conventional oli after just having it cleaned out as best they could and that was 2 years ago no more issues. |
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Posts in this topic
Philip W. another oil thread question: Jul 25 2015, 09:40 AM
Mark Henry
I want to switch from 20/50 to a 40wt on top end... Jul 25 2015, 10:15 AM
Mark Henry Phillip the reason I like the delo 15w40 is it... Jul 25 2015, 10:57 AM |
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