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Which Engine Oil Is Best For 1100 Cali?

Demon

Demon

Tuned and Synch'ed
Joined
May 31, 2010
Messages
67
Location
Dukinfield, Cheshire. England.
Just wondering what other people put in their 1100 Cali's
I've been told that certain oils are no good for the flat profile cam followers or something.
John.
 
My '01 Stone manual calls for an SG rated 20w-50 oil of high detergency. After the SGs, oil started having less and less zinc because it ruined car catalytic converters, but it's a good anti-wear agent for mechanical tappets. Some oil manufacturers tell you their zinc levels and I've read that anything above 1000ppm is the ticket. Alternatively, use one of the diesel oils - the recent ones also have had to reduce their zinc levels. Or use one of the motorbike specific oils which are SG, but seem over-priced I reckon. The diesel/petrol distinction is marketing designed to stop people using a high zinc oil in their cars.

Personally, I've always used Penrite Diesel 20w-60 and so do a lot of older Harleys around here.
 
For many years I have used Rock Oil Guardian semi synthetic 20/50 engine oil, this is currently rated as SL/CG4, so it is suitable for petrol and diesel engines. When I first bought this oil years ago I think it was rated SH/CG4. I and several friends have used this oil over the years without problem in various BMW flat twins, and Harley Davidsons.
 
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