Synthetic Vs Mineral oil
Submitted: Thursday, Mar 06, 2008 at 17:03
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55252
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normglenda
Hi
I am considering using synthetic engine oil in my 2004 V8 petrol/LPG Landcruiser.
Are there any benefits or disadvantages in doing so. Also what about using in diff, transfer case and maybe gearbox?
Regards
Norm
Reply By: Member - Adam S (SA) - Thursday, Mar 06, 2008 at 18:05
Thursday, Mar 06, 2008 at 18:05
Like Howesy said many different opinions, but not many based on facts.
I wouldn't have any idea when it comes to 4wd, as I don;t know anyone who rebuilds them after every oil change.
What I do know is when I was involved with bike racing, as long as you used a good oil, what was more important was the interval between changes.
They say synthetic would last longer but it was a lot more expensive.
So basically I haven't helped much, I say use a good oil, and change regularly
Adam..
l
AnswerID:
291197
Follow Up By: Member - Adam S (SA) - Thursday, Mar 06, 2008 at 18:22
Thursday, Mar 06, 2008 at 18:22
Just to make it clear I would definitely not use synthetic to bed rings in, or run in.
FollowupID:
556587
Reply By: Member - Axle - Thursday, Mar 06, 2008 at 19:38
Thursday, Mar 06, 2008 at 19:38
Normglenda, Have used
mobil one synthetic in a subaru
liberty for ten years, it only does short running , and the oil is changed every ten thousand ks, The tappet covers were lifted off it the other day for gasket replacement, and i have never seen such a clean motor internaly as that!!. not a
sign of carbon or sludge anywhere. At 220 thousand ks i though that was good recomendation for synthetic oil in good quality petrol engines.
Cheers Axle.
AnswerID:
291215
Reply By: Member - DOZER- Thursday, Mar 06, 2008 at 20:13
Thursday, Mar 06, 2008 at 20:13
You get what you pay for, and if synthetic is slipprier than normal oil, that means the motor will use less fuel to make thesame amount of power...we may only be talking 1%, but in 10000kms, thats 100kms of fuel usage you would save...not to mention the extra protection synthetic offers...i used it in my 4.5 cruiser, and justified it by only changing it once a year, or 10,000kms, so less maintenance and oil filters/landfill....it made sense to me
Andrew
AnswerID:
291225
Reply By: blown4by - Friday, Mar 07, 2008 at 23:18
Friday, Mar 07, 2008 at 23:18
I use fully synthetic oils in the diffs (Mobillube SHC ID), transfer case, auto trans, power steering (
Mobil 1 Synthetic ATF) and semi-synthetic (
Mobil Synth S 15W-40) in the engine on my Patrol and stick to the Nissan oil change recommended intervals although I could safely extend them. It comes down to how long you plan to keep the vehicle and the main benefit is cooler running, better lubrication across a higher ambient temperature range from minimum to maximum, less oil degradation due to high temperatures = cleaner internal components, less viscosity degradation at high temps, smoother transmission shift quality, less friction = less wear and better fuel economy although you could probably buy a lot of fuel for the extra cost of the oils over mineral based oil. I agree with the comment to buy it from an oil Comapny in bulk and all at the same time and you will acheive a better price advantage than at the auto chain stores. The comparison between mineral and synthetic is a "no brainer" really.
AnswerID:
291504