The Goods On Oils

[Kozeyekan]

On a side note, if anyone is interested in a group buy for Royal Purple products in Victoria, I've started a thread in the vic section. If there is enough interest I'll organise it, but I'd rather keep it vic only, as it'd be much easier to keep track of, and other states seem to be able to find RP products easily enough.

[Trex101]

On a side note, if anyone is interested in a group buy for Royal Purple products in Victoria, I've started a thread in the vic section. If there is enough interest I'll organise it, but I'd rather keep it vic only, as it'd be much easier to keep track of, and other states seem to be able to find RP products easily enough.

How much per quart and min qty required? any more details?

[Kozeyekan]

How much per quart and min qty required? any more details?

It's in the vic forums.

[cogs]

What should I run in my Rb20det?

Mainly short driving. Mildly modded.

[Modena]

Guys I have a stock R33 S2 GTST. Good condition etc. I have got some Castrol Edge Sport 10W-60 fully sythetic oil... is this a good oil for a stock car?? Or should I take it back and replace it?

[Busky2k]

cogs, depends on your budget. But something like Castrol Magnatec or Mobil Synth S would do the job.

CCCP, Personally I would say take it back and buy the EDGE 5W30 instead. The 10W60 is pretty damn thick for a stock motor on the street.

[Modena]

cogs, depends on your budget. But something like Castrol Magnatec or Mobil Synth S would do the job.

CCCP, Personally I would say take it back and buy the EDGE 5W30 instead. The 10W60 is pretty damn thick for a stock motor on the street.

I thought its only for modern 4Cyl engines... anyway i ent back and got 5W30! Thanks

[Busky2k]

LOL yes thats what the bottle says but they are just marketing it towards the ricers. Most new cars, 4 cyl or V8s run 5W30s/10W30s these days! In the USA the oil of choice is now the 5W20.

[Modena]

LOL yes thats what the bottle says but they are just marketing it towards the ricers. Most new cars, 4 cyl or V8s run 5W30s/10W30s these days! In the USA the oil of choice is now the 5W20.

I am currently running Shell Helix 5w40... should I see much fuel economy/better response now that this new oil will be thinner?

[Busky2k]

You may or may not feel it. Some claim there is no difference. Others comment that a 40wt feels sluggish compared to a 30wt, especially for those who live in cold climates. Different people with different cars... so no guarantees but its definitely not a bad thing! Let us know how it goes...

[arbess]

what can thick oil do to your car?

[Trex101]

what can thick oil do to your car?

It will cause too much startup wear, once heated up to operating temp there's actually not much difference between a 30wt to a 50wt...

For example let take a look at Mobil 1 0w30 when compare to Mobil 1 15w50EP.

M1 0w30

cSt@40'c = 63.1

cSt@100'c = 11.0

M1 15w50EP

cSt@40'c = 138

cSt@100'c = 18

So at 40'c ambient summer temp, during startup the 0w30 will flow 118% (74.9cSt thinner) faster then the 15w50 but at operating temp the 0w30 oil is only about 7cSt thinner then the 15w50.

Edited December 23, 2006 by Trex101

[arbess]

Is 10-60 ok for a gtr?

[SilverECR33]

10-60 not for gtr.. maybe for an old V8 engine

[Rolls]

If its a track car that sees only very high temps then I would imagine it would be ok. But for a daily or sunday driver too thick.

[arbess]

so whats the good number full synthetic? and brand?

Edited December 26, 2006 by arbess

[ookami]

There's a major factor people forget with oils and thats environment temperature. After speaking to a guy from motul the 10w-40 is meant to be only good if the temperature is 5-35 degrees and the 15W-50 is for use in 15-50 degrees. So for people in the hotter areas of australia where an average summer day is usually above 35 degrees the 15W-50 would be better. I know people have said that the 10w-60 is not good for street use, and that may be true as the oil doesn't get as hot (compared to track use), but for those in the hotter areas, the oil temp does get up above what it normally would and to save using one oil for winter and one for summer the 10w-60 does cater for all seasons.

[Trex101]

There's a major factor people forget with oils and thats environment temperature. After speaking to a guy from motul the 10w-40 is meant to be only good if the temperature is 5-35 degrees and the 15W-50 is for use in 15-50 degrees. So for people in the hotter areas of australia where an average summer day is usually above 35 degrees the 15W-50 would be better. I know people have said that the 10w-60 is not good for street use, and that may be true as the oil doesn't get as hot (compared to track use), but for those in the hotter areas, the oil temp does get up above what it normally would and to save using one oil for winter and one for summer the 10w-60 does cater for all seasons.

It used to be true ambient temperature does plays a big part in old air cool engine but modern water cool engine oil temp just doesn't fluctuate that much be it in summer or winter condition. If you have an accurate after market oil temp gauge, you will find that the temp is pretty constant be it in 0'c or 50'c ambient.

Motul 300v 10w40

cSt@40'c = 89.5

cSt@100'c = 14

VI = 161

Motul 300v 15w50

cSt@40'c = 128.1

cSt@100'c = 17.8

VI = 154

Actual oil temp directly affect the final viscosity, so depends on your avg oil temp and target viscosity needed. You can accurately choose your choice viscosity.

Use the calculator to calculate the Vis at difference oil temp

Viscosity Calculator

[JUN`R32]

Hey Guys

I been using Elf 10w-50 in the R32 gts-t for the past 2 oil changes now and it has been running smooth.

bout $50-$60 a bottle i think, of 5 ltrs from autobarn, not 100% sure though.

No real issues, warms up nicely, does the job, engine runs nice, doesnt overheat

This oil was used on the recomendation of bel garage.

just my 2c

[khunjeng]

There's a major factor people forget with oils and thats environment temperature. After speaking to a guy from motul the 10w-40 is meant to be only good if the temperature is 5-35 degrees and the 15W-50 is for use in 15-50 degrees. So for people in the hotter areas of australia where an average summer day is usually above 35 degrees the 15W-50 would be better. I know people have said that the 10w-60 is not good for street use, and that may be true as the oil doesn't get as hot (compared to track use), but for those in the hotter areas, the oil temp does get up above what it normally would and to save using one oil for winter and one for summer the 10w-60 does cater for all seasons.

maybe he needs to move into the 20th century...cars are water cooled now LOL oil temp doesn't fluctuate nearly as much anymore under normal driving conditions, i.e. street.

also that has been covered already..so it hasnt been forgotten