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Sunday, 20 July 2025 |
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elsargento |
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#1
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Newbie ![]() Group: Members Posts: 44 Joined: 9-September 06 From: Topanga, California Member No.: 6,802 ![]() |
Been running Castrol 30wt and I'm thinking about changing to multiviscosity. Any suggestions? Was thinking about 20-50wt Castrol. socal cold mornings and warm hill climb in the afternoon. (IMG:style_emoticons/default/welder.gif) (IMG:style_emoticons/default/sawzall-smiley.gif)
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tat2dphreak |
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#2
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stoya, stoya, stoya ![]() ![]() ![]() ![]() ![]() Group: Benefactors Posts: 8,797 Joined: 6-June 03 From: Wylie, TX Member No.: 792 Region Association: Southwest Region ![]() ![]() |
vlovoline VR-1 has the high levels of ZDDP... regular valvoline or regular casterol does not, I'm pretty sure casterol's "Race oil" probably has more ZDDP than regular.
I did some searching around the web for high-ZDDP alternatives to Brad Penn, and Valvoline VR-1 had very near the same amount of ZDDP, and came highly recommended by several local aircooled mechanics and racers. |
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