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[kingplym]

as above i know 10w40 is recommended but will 5w30 be ok? i read the section on oils and as i understand 5w30 can increase performance. but the whats in the back of my head is will the oil be to thin? :-/

[Turk]

I would say that is too thin.

[Kevin Wood]

5w30 or upwards is allowed according to the manual so I'd say it's OK. If the engine is a particularly high mileage example it might burn a little more oil on 5w30.

Kevin

[Kevin Wood]

Just to say.. it won't noticeably alter performance. A little smoother after a cold start during the winter is all I've noticed.

Kevin

[Seth]

Personally, I'd stick with Vx's own-brand 10/40 semi-synthetic.

I've just had four 5-litre cans from the stealers for 37 quid.
I can't see a performance gain by using a lower viscosity oil. As Kevin rightly says, cold-starts may be better, but I reckon that's just about the only difference you might experience.

[Turk]

5w30 or upwards is allowed according to the manual so I'd say it's OK. If the engine is a particularly high mileage example it might burn a little more oil on 5w30.

Kevin

Sorry, keep thinking everyone drives tractors. 
(Don't tell me 5w30 is ok in a tractor too  )

[gsizoli]

Really thin.I've already used 5W30 in my 3.0V6 at around 260.000km. I could hear the tappets after start, so the sound of the cold motor wasn't so good. I've changed to 10W40 at the next period, and now OK.

[cem_devecioglu]

as stated 5w30 is thin oil and mostly used on Honda cars.. I've tried both 0-40 and 10-40 on miggy ..
0-40 only a bit better in very cold winter..