what engine oil for 99' Integra DC4 Gsi

[cbauto]

Mate it doesn't effect how long it takes for your car to warm up or fuel economy. I've used 5-30 full synth, 10-40 semi and currently using 10-50 full.
Fuel economy is the same.

Wrong. Changing viscosity effects fuel consumption.

[cbauto]

Mate it doesn't effect how long it takes for your car to warm up or fuel economy. I've used 5-30 full synth, 10-40 semi and currently using 10-50 full.

The only thing that's changing is the viscosity/thickness of the oil at operating temperature.

Fuel economy is the same. Engine warms up in the same amount of time. Only difference is that I burn less oil because its thicker when warm. And that was my desired outcome.

As for synthetic in older engines it's not a big deal as far as GSI's are concerned lol. It's not a big deal using mineral in modern cars either. Generally synthetic oils lubricate more effectively at cold start and mineral oils burn less when warm.

And if I were you I'd be using 10-40, especially in summer if you do spirited driving. Going thinner won't change your life except make you blow smoke.

10w50?

Must be 19mm

[vs2306]

Mate it doesn't effect how long it takes for your car to warm up or fuel economy. I've used 5-30 full synth, 10-40 semi and currently using 10-50 full.

The only thing that's changing is the viscosity/thickness of the oil at operating temperature.

Fuel economy is the same. Engine warms up in the same amount of time. Only difference is that I burn less oil because its thicker when warm. And that was my desired outcome.

As for synthetic in older engines it's not a big deal as far as GSI's are concerned lol. It's not a big deal using mineral in modern cars either. Generally synthetic oils lubricate more effectively at cold start and mineral oils burn less when warm.

And if I were you I'd be using 10-40, especially in summer if you do spirited driving. Going thinner won't change your life except make you blow smoke.

Really? I've read otherwise from many sources, and it seems logical that thicker oil will result in worse fuel economy. For instance, if I run a thick oil in my GSi like a 20W50. It would affect fuel economy, because the oil pump has to work harder to circulate the thicker oil. I'm not saying thicker oil is bad, this is just an example.

Perhaps with my scenario from 10W40 to 10W30, might not make a noticeable difference. But I'll never know until I try.

As for the effect on warming up the engine quicker, not 100% sure about this. But I definitely agree with you on using synthetic on older engines not being a huge deal.

[vs2306]

Wrong. Changing viscosity effects fuel consumption.

Exactly. This is why I'm trying 10W30. To see if it will make a difference from 10W40.

[cbauto]

Burning/losing oil isn't a bad thing.


Excessive losing/burning oil is.....

[Daveho1]

i personally run a 15w-40 semi synthetic in my b18c and the reason is simple;
thats what that my engine needs.
try a 10w-30 then if its going through a fair bit of it swap it out to something a bit thicker, pretty straight forward.

[Daveho1]

The only recent car I've owned that I didn't use synthetic in was my EH Holden - the rope seal at the back of the motor is designed to let oil out so that it washes over the underbody and stops the car from rusting Also, it's part of that genuine Holden feeling.

thats the dumbest thing i think i have ever heard.

[aaronng]

Exactly. This is why I'm trying 10W30. To see if it will make a difference from 10W40.

Your right foot and driving habits will make more of difference compared to going from 10w-40 to 10w-30.

[cbauto]

Your right foot and driving habits will make more of difference compared to going from 10w-40 to 10w-30.

Not just viscosity of oil, but quality too can save fuel.

I've had savings of 1ltr per 100km changing from a particular 5w30 to another.

Not on a Honda though.

[dougie_504]

Not just viscosity of oil, but quality too can save fuel.

I've had savings of 1ltr per 100km changing from a particular 5w30 to another.

Not on a Honda though.

What oil is so superior?

How much exactly does a good or bad oil effect consumption?

If you think it makes a difference then it must be a real poofteenth and certainly not a genuine selling point for any oil.

I've used FEO, Magnatec 10W-40 semi, Nulon 10W-40 synth (just remembered actually) and currently using Penrite 10W-50 synth with zinc. My fuel economy with the Penrite is currently the best it's ever been since I bought the car in early 2008. So that's five and a half years, and I always drive until my tank light comes on, fill up at the same BP, and calculate my economy per tank.

Burning/losing oil isn't a bad thing.


Excessive losing/burning oil is.....

This is why I went 10W-50, and IMO it's the only good reason to change viscosity. I'm burning about 700-800ml less oil each 5,000KM. Engine is getting on a bit obviously.

[dougie_504]

Exactly. This is why I'm trying 10W30. To see if it will make a difference from 10W40.

I'll be interested to see what your results are over a 6-12 month period. I'm betting zero/minimal difference.

[vs2306]

What oil is so superior?

How much exactly does a good or bad oil effect consumption?

If you think it makes a difference then it must be a real poofteenth and certainly not a genuine selling point for any oil.

I've used FEO, Magnatec 10W-40 semi, Nulon 10W-40 synth (just remembered actually) and currently using Penrite 10W-50 synth with zinc. My fuel economy with the Penrite is currently the best it's ever been since I bought the car in early 2008. So that's five and a half years, and I always drive until my tank light comes on, fill up at the same BP, and calculate my economy per tank.




This is why I went 10W-50, and IMO it's the only good reason to change viscosity. I'm burning about 700-800ml less oil each 5,000KM. Engine is getting on a bit obviously.

What car is this for?