Oil Question again!!!

[mrwookie 0]

I know I have asked this before but what oil do people use?? Im currently using 5w40 full synth is this the wrong stuff to be using?? If so what viscosity should it be and should it be semi synth??

Cheers

Ed

[pinto 0]

Think the book states 10W40, but using 5W40 isnt wrong - its a personal choice thing. I find the 5W oil to be a little too thin and it leads to noisy tappets and leaks appearing in places, but thats just my experience

[mrwookie 0]

Thats answered my next question then thanks. I have noisey tappets so rather you reckon that 10w40 should make them less noisey and semi or full syth??

Cheers

Ed

[pinto 0]

Synth / semi synth isnt really an issue - its the viscosity rating

Thinner oil, especially when hot, flows well, but it doesnt have the 'body' of thicker oils, so it flows away again faster, hence doesnt have quite the tenacity of the thicker oils, so it could be argued, lubricates less - imagine the difference between water and cooking oil

Thin oil also has a tendancy to "foam" under high revs / agitation, so tappets can get oil/air mix which doesnt work effectively - thats why high revving engines switch to solid lifters.

So, too thin - it lubrictes well, but less as it heats, and tends to foam.. too thick, it doesnt get to all the places effectively until hot..

Thats why I stick with 10W/40, as its a median for the two

[purple highline monster 0]

quantum synta 10w 40 is the way to go mate!! i should have shares the amount of times i have plugged that oil, but it is "good shit" as they say!!

[mrwookie 0]

Cheers Fellas