It's classification is API SP .. As I said look for API SF or older ( for our
engines ). Several antifriction were added after SH/SF and in addition to that,
they reduced the famous "ZDDP" additive which is so important for the last
level protection to prevent oil breakdown. That ZDDP can clog catalist
converter but our A4 don't have that problem :-)
I've done a 5 day motoring with my A4 and it did not burn oil noticeably (
still close to the dipstick top mark ) and not really black/dirty. Still
original 1975 A4 . I change oil twice a year and when it is hot since we don't
have an oil filter.Castrol site says a few things about motorcycle oils and
this was the oil Moyer used to recommend on it's site..MOTORCYCLE VS MOTOR OIL
| Castrol® USA
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MOTORCYCLE VS MOTOR OIL | Castrol® USA
Many drivers wonder if you can use normal oil for their motorcycles. Learn the
key differences to settle the iss...
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Sylvain1975 C&C27
On Tuesday, August 1, 2023 at 10:36:06 AM EDT, Paul Hood via CnC-List
<cnc-list@cnc-list.com> wrote:
This is the SAE30 oil I’m using.
https://www.okpetroleummarketplace.com/castrol-sae-30-hd-30-motor-oil-6-quarts.html
Paul Hood
416.799.5549
From: Joe Della Barba via CnC-List <cnc-list@cnc-list.com>
Sent: Tuesday, August 1, 2023 10:09 AM
To: 'Stus-List' <cnc-list@cnc-list.com>
Cc: j...@dellabarba.com
Subject: Stus-List Re: [EXTERNAL] Re: Atomic 4 reversing - help, help
I would think about an oil change and use oil designed for motorcycles with a
wet clutch and see if that helps.
Joe
Coquina
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