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Another Oil Study. Interesting results indeed.

Posted August 19, 20195 yr

comment_582173

Well someone in 2017 did a pretty well designed study on 10 of these new fangled high ZDDP oils intended for old classic cars such as ours.

I know we have discussed this in the past, don't remember if we referenced this study before. My apologies if so.

Results were surprising to the author. Hopefully it will shed light on the current "hype" on this topic and perhaps result in fewer scarred cams and rockers around these parts.

https://onedrive.live.com/?authkey=!AHKKfKJ3E11RU1E&cid=FD59A041A3808BD5&id=FD59A041A3808BD5!1416&parId=FD59A041A3808BD5!207&o=OneUp

Note: This contribution originally posted by a well known Z owner, Chickenman, on the510realm. http://www.the510realm.com/viewtopic.php?f=30&t=31832

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August 19, 20195 yr

comment_582176

Well, I have been running Lucas oil in my car since I first started it up, mainly because of the zinc and cost. Nice to see it got a good rating.

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August 19, 20195 yr

comment_582177

Looks like my VR-1 is not so great.. But my 75 has a catalytic converter so not sure what would be best.

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August 19, 20195 yr

comment_582191

I always thought that ZDDP content in the 1200 to 1400 ppm range was ideal. VR-1 comes in about 1040 ppm, lower than I thought.

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August 19, 20195 yr

comment_582194

Bye-bye VR-1, I see Lucas oil coming to a crankcase near me very soon. Very enlightening study, thanks for posting.

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August 19, 20195 yr

comment_582196

Rotol T4 15w-40 wish that was tested

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August 19, 20195 yr

comment_582199

Any thoughts on how this study applies to rebuilt engines? Is this study just pertinent to older, non-rebuilt engines? Just wondering ...

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August 19, 20195 yr

comment_582205

funny I just watched a video moss garage IIRC and the Valvoline guy was on there talking about 1400 ppm of zinc.

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August 19, 20195 yr

comment_582206

Any thoughts on how this study applies to rebuilt engines? Is this study just pertinent to older, non-rebuilt engines? Just wondering ...

Rebuilt engines need the zddp protection more if anything. Older engines I think may have a degree protection from work hardening.

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August 19, 20195 yr

comment_582207

1 hour ago, ryanotown22 said:

Rotol T4 15w-40 wish that was tested

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Do you mean Rotella?

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August 19, 20195 yr

comment_582209

Yes rotella. I know a lot of people that run that.

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August 19, 20195 yr

comment_582210

Even running Rotella for a long time now . Drive my car hard ! Cam looks new every time I look at it

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