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The Goods On Oils

PHaT MR30

By PHaT MR30,
in General Maintenance

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scotty nm35
scotty nm35

Any brand will work fine, some just last longer than others. I still believe you are better off using a cheaper ($50) oil and changing it every 5k rather than spending twice that and trying to strin

Kinks
Kinks

Royal Purple 10W-50, warm it between your hands for a few seconds then apply it to the area at the base of your shaft between your balls ..about as valid as any other opinion in this thread

scotty nm35
scotty nm35

F1 still use monograde 10 weight oils, hence the need to get the engine warm before starting it. Nothing stone age about it...

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B-rice Mentor

B-rice

Posted
Posted (edited)

Actually the oil I drained out was exactly 5litres. And its the first time I've changed the oil since it came from japland

Checked the dipstick and it seems to be fine

Edited by B-rice
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AngryRB Grand Master

AngryRB

Posted
Posted

Your oil getting black is from the detergants 'cleaning' your engine, you certainly wouldn't want to be getting black oil just from blow by.

If you change oil only every 5,000km's it should be slightly black, by 10,000km's if it aint black I would be worried, either the engine is impossible clean or the oil aint cleaning sh*t.

I think Mobil 1 would contain aleast an average amount of detergents, it recommends on the back of the bottle for GTR's i think,

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AngryRB Grand Master

AngryRB

Posted
Posted

Actually the oil I drained out was exactly 5litres. And its the first time I've changed the oil since it came from japland

Checked the dipstick and it seems to be fine

who says to use 3.4L? that would be on the low mark on the dipstick surely...

Personally i fill mine a bit over full , upto the H and thats 4.5L

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LotusGTR Veteran

LotusGTR

Posted
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Seems Chequered and Racepace are using Catrol Edge 10W60 for track work. I've got an oil change coming up and my car does mostly occassional street driving but will see the track from time to time. What's the latest thinking? Performance Lube are suggesting 10W40 Royal Purple, citing with group 4/5 synth oils 10W60 is thicker than it needs to be. I'm running a 310RWKW RB26 with extended sump and oil cooler.

Where is recommended to buy the Catrol Edge 10W60 if it ends up being the go.

Keep it simple for me guys.

Thanks.

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bozodos Grand Master

bozodos

Posted
Posted

RP 10w40 would be my oil of choice after the Edge (which is easily bought from most parts places and cheaper).

It's hard to judge without UOA's or filtergrams tbh, though I did see a car on another forum where they changed from Edge 10w60 to Penrite 5w50 and ended up with a lifter dragging on the cam and scoring a lobe. That was on an aftermarket cam with a fairly aggressive ramp rate though.

Mine goes in for a service tomorrow, so should have the sample off for testing within the next few days.

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Buraz Proficient

Buraz

Posted
Posted

Seems Chequered and Racepace are using Catrol Edge 10W60 for track work. I've got an oil change coming up and my car does mostly occassional street driving but will see the track from time to time. What's the latest thinking? Performance Lube are suggesting 10W40 Royal Purple, citing with group 4/5 synth oils 10W60 is thicker than it needs to be. I'm running a 310RWKW RB26 with extended sump and oil cooler.

Where is recommended to buy the Catrol Edge 10W60 if it ends up being the go.

Keep it simple for me guys.

Thanks.

As recommended by Racepace iv been using Edge 10W60 for many years on my stock rb26 with 290rwkw without any issues, mainly street duties. Now same on my forged engine. They know their RB's!!

Buy it from repco or autobarn wherever is cheapest.

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AngryRB Grand Master

AngryRB

Posted
Posted

As recommended by Racepace iv been using Edge 10W60 for many years on my stock rb26 with 290rwkw without any issues, mainly street duties. Now same on my forged engine. They know their RB's!!

Buy it from repco or autobarn wherever is cheapest.

I would of thought using a light oil like 0-40 for street duties and a thick oil 10-60 for track would be sensible, and dropping the oil after each purpose is fulfilled, im guessing racepace wouldnt build the tightest engines if there built to be thrashed around a track, originally the 0-30w recommendation must of been for a tight motor out the factory.

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Buraz Proficient

Buraz

Posted
Posted

I would of thought using a light oil like 0-40 for street duties and a thick oil 10-60 for track would be sensible, and dropping the oil after each purpose is fulfilled, im guessing racepace wouldnt build the tightest engines if there built to be thrashed around a track, originally the 0-30w recommendation must of been for a tight motor out the factory.

My motor was stock on my last gtr and still ran the same oil as many other gtr's without any issues. My friend owns it now pushing same power 5 years later. Most gtr's are modified also which also has to be taken into account, factory recommendations go out the window. Besides these are engines designed in the 80's, not exactly modern tight engines.

Anyway I just listen and trust what they say, I'm not gonna second guess their knowledge.

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TTT Grand Master

TTT

Posted
Posted

Castrol Edge 10w60 is what I'm using on my 170,000km RB.

when I changed from GW 10w40 to Castrol, it made the engine a fair bit quiter... Mine has a slight lifter noise and it's much better with the Castrol.

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scotty nm35 Grand Master

scotty nm35

Posted
Posted

Sounds like good advice there James.

Opinions are like arseholes, everyone has one. Try a few different grades and see/feel how your engine responds Flavzz.

Thicker oils will feel more lethargic until the temps get high but will offer more protection for the track. They will also take longer to drain back to the sump which is a common RB issue.

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