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engine oil viscosity vs fuel consumption..

jenniferf

By jenniferf
in Landcruiser Club

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jenniferf Advancing

jenniferf

Posted
Posted

g'day everyone..

just to share some experiment results with you all.. hope you all can add in some experience results too. thank you and cheers!

engine type: LC200 4.5Liter V8 Twin Turbo Diesel

test mileage: 5,000KM on each type of oil (5W-40 and 10W-40)

oil: 5W-40 SHELL Fully Synthetic

40% more expensive than the other oil (10W-40)

fuel consumption: 11.8Liter/100KM (average after 5,000KM)

engine very quiet and feels very "light" standing start and pick up

after 4000KM, my engine had consumed 1Liter of engine oil!

oil: 10W-40 SHELL Synthetic (me too wondering does this mean semi or fully??)

much cheaper oil compared to the first option

fuel consumption: 14.8Liter/100KM (average after 5,000KM)

engine is rough and loud and it is very heavy from standing start

after 5000KM, engine oil is exactly the same, zero consumption

my conclusion.. i am now back on the expensive 5W-40 and vow to check my engine oil regularly just in case i need a "top-up" now and then.. hey especially those who are using diesel engine, which type of oil are you using? do kindly share with us.. thank you very much and cheers!!

best regards, jennifer

  • 2 months later...
dugite57 Advancing

dugite57

Posted
Posted

g'day everyone..

just to share some experiment results with you all.. hope you all can add in some experience results too. thank you and cheers!

engine type: LC200 4.5Liter V8 Twin Turbo Diesel

test mileage: 5,000KM on each type of oil (5W-40 and 10W-40)

oil: 5W-40 SHELL Fully Synthetic

40% more expensive than the other oil (10W-40)

fuel consumption: 11.8Liter/100KM (average after 5,000KM)

engine very quiet and feels very "light" standing start and pick up

after 4000KM, my engine had consumed 1Liter of engine oil!

oil: 10W-40 SHELL Synthetic (me too wondering does this mean semi or fully??)

much cheaper oil compared to the first option

fuel consumption: 14.8Liter/100KM (average after 5,000KM)

engine is rough and loud and it is very heavy from standing start

after 5000KM, engine oil is exactly the same, zero consumption

my conclusion.. i am now back on the expensive 5W-40 and vow to check my engine oil regularly just in case i need a "top-up" now and then.. hey especially those who are using diesel engine, which type of oil are you using? do kindly share with us.. thank you very much and cheers!!

best regards, jennifer

dugite57 Advancing

dugite57

Posted
Posted

I guess that's why my dealer, when asked what oil should I use, said 10/40 mineral, doesn't want me coplaining about it being burnt.

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