 Amsoil Z-rod oil, Yeah another OIL thread. |
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| Olympic 914 |
 Dec 26 2023, 06:43 PM
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#1
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 Group: Members Posts: 1,745 Joined: 7-July 11 From: Pittsburgh PA Member No.: 13,287 Region Association: North East States 
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Got an S&S crate motor for the Harley and the Indy put in some Amsoil 20W50 V-twin.
went down the rabbit hole looking at this and other Amsoil products and saw they make a High ZDDP oil called Amzoil Z-Rod, synthetic and specified for flat tappet engines. Anyone here have any experience running it in our engines?? 
Amsoil_20W50.pdf ( 213.73k )
Number of downloads: 47Kind of expensive, But for what the crate motor cost, its a small price. |
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| gereed75 |
Dec 26 2023, 09:17 PM
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Senior Member Group: Members Posts: 1,373 Joined: 19-March 13 From: Pittsburgh PA Member No.: 15,674 Region Association: North East States
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Been using Mobil 1 20w50 in all my older flat tappet motors. Has 1560 and 1770 phos and zinc.
Designed for air cooled flat tappet motors. Otherwise known as V Twin oil. Highest numbers I know of. |
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| stownsen914 |
Dec 27 2023, 08:02 AM
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#3
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Senior Member Group: Members Posts: 959 Joined: 3-October 06 From: Ossining, NY Member No.: 6,985 Region Association: None |
I've also heard of the long drain intervals for Amsoil. No reason to doubt the oil's ability to handle it, but there's no way I'd do that in a vintage aircooled engine. Even if driven regularly. Half of the reason to drain oil regularly is to get rid of combustion by-products that build up in engine oil. There's no way to get around that, and the best oil doesn't eliminate that requirement.
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Posts in this topic
Olympic 914 Amsoil Z-rod oil Dec 26 2023, 06:43 PM
stownsen914 I see it mentioned in PCA Club Racing circles, and... Dec 26 2023, 07:05 PM Olympic 914 I saw a thread on the Bird board where someone con... Dec 26 2023, 07:15 PM technicalninja Thanks for posting that!
That is the lowest r... Dec 26 2023, 07:41 PM
brant
I've also heard of the long drain intervals f... Dec 27 2023, 04:28 PM technicalninja
I've also heard of the long drain intervals f... Dec 27 2023, 11:13 AM Geezer914 I use Driven 15w/50 and change oil/filter .every 3... Dec 27 2023, 05:11 PM Cairo94507 I have used Driven since my 3.2 was rebuilt and I ... Dec 27 2023, 05:34 PM Red76
Got an S&S crate motor for the Harley and th... Jan 15 2024, 05:36 PM mb911 its a great oil. I ran it in my 3.2 SS turbo motor... Jan 15 2024, 06:34 PM |
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