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Motor Oil with ZDDP

Nickodell

Nickodell

Donation Time
That, my dear Bill, is a fallacy known as reductio ad absurdum. Using the same "logic;" if 7,000 miles works for you, why not see if you can stretch it out to 15,000? After all, you would save enough by missing the extra oil and filter change for - say - a tow when your engine seizes.
 
puff4

puff4

Platinum Level Sponsor
Guys, I really didn't raise this issue to get everyone's dander up and have everyone arguing.

I just wondered - and am STILL wondering - if anyone else has tried this Castrol "classic car" oil?
 
Nickodell

Nickodell

Donation Time
Speaking personally, I don't have my dander up. Or anything else. Bill and I have been poking each other (speaking metaphorically) for the best part of a decade.
 
65beam

65beam

Donation Time
zddp

kevin,
this castrol is a newer version of the syntec 20/50. it appears that they added a cold flow improver and a modified additive package to come up with a 5/50. it's still a 50 oil with the properties of a 5 in cold temps. i'm avoiding using the term "weight" for nick's benefit.
 
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