Engine Oil Grades and Oil Pressure

Eric · Post by **Eric** » Thu Jul 05, 2007 5:07 pm

Consider not just Monograde, Multigrade, but detergent and non detregent, this maybe more important than the former. Never use detergent oil in an engine that has been used with a non detergent for sometime because you will leech out all of the sludge left in the nooks and crannies where it was dropped out from the monograde non detergent oil. Dont bother with synthetic its just too good and its likely to do more harm than good. Multigrade e.g. Duckams Q20-50 or similar with a good filter before the engine is the best, otherwise a filter after the engine will do if the oil tank is also cleaned out as well as the engine.

itma · Post by **itma** » Thu Jul 05, 2007 6:32 pm

this Eric bloke is a troublemaker.........

Samuel · Post by **Samuel** » Thu Jul 05, 2007 9:17 pm

For what its worth Castrol do a classic low detergent multigrade if you really want one - but I'm also staying with SAE50 in Summer and SAE40 in the coldest part of winter - if we get one anymore.

Merlin · Post by **Merlin** » Thu Jul 05, 2007 10:28 pm

Being a warm and dry weather man I don't have to worry about such things.

laxy · Post by **laxy** » Fri Jul 06, 2007 12:15 am

Hi Paul, I always used straight 50 in my twin during the summer months then last week changed to multigrade.
Within seven miles I suffered two rear wheel punctures and the lights packed up. Coincidence? You decide.

stockskildare · Post by **stockskildare** » Fri Jul 06, 2007 12:56 am

Laxy perhaps not coincidence but Itma. Has to be a suspect?

itma · Post by **itma** » Fri Jul 06, 2007 1:00 am

why have you got two rear wheels?

TommoT · Post by **TommoT** » Fri Jul 06, 2007 9:55 am

...and why did you pour that multigrade into the elctrical system?

56G80S · Post by **56G80S** » Fri Jul 06, 2007 3:13 pm

Did you mix up the oil can and the air pump?

Johnny B