| [GMCnet] Re: Oil Pressure Poll [message #366653 is a reply to message #366649] |
Thu, 09 September 2021 18:57   |
Dave Stragand
Messages: 307
Registered: October 2017
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For what it’s worth, around 2007 I put 75,000 miles in 2 years a 1968 Cadillac with a 472. I did have severe cam lobe rounding and lifter damage using standard oils.
At the time, the conventional wisdom was that the ZDDP additives were only needed during break-in of a new cam. Based on my experience, I feel differently and will only use ZDDP oils on any of my pre-2000 vehicles. I’ve yet to see anything that says ZDDP will HURT those vehicles (as they were designed for oil with it) so there’s that.
Lots of info and opinions out there for those who’d like to research it for themselves, so please read up on it or ask questions if you have any concerns.
-Dave
1978 Transmode near Pittsburgh
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1978 Transmode (403)
Pittsburgh, PA
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