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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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niZmO_Man Grand Master

niZmO_Man

Posted
Posted

Penrite Sin 5W-60 vs. Mobil 1 5W-50 ?

Same price at ~$70/5L

I tried the Penrite, now just did an oil change with Mobil.

Car feels the same.

Is 5W too low though, have a R32 GT-R with a 130k km engine (most likely more)

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Birds Grand Master

Birds

Posted
Posted

Stay tuned Sougi fans...have just got way of the replacement oil, which is due out in a few months. I have no idea if it will be a group 5 or not, but it will be a full synthetic 10w40 known as Syn-X 6000. Will definitely be testing in my car upon release.

I will post more as I find out, and hopefully give you an idea of the retail price we'll be looking at.

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Get EPIC Rising Star

Get EPIC

Posted
Posted

Stay tuned Sougi fans...have just got way of the replacement oil, which is due out in a few months. I have no idea if it will be a group 5 or not, but it will be a full synthetic 10w40 known as Syn-X 6000. Will definitely be testing in my car upon release.

I will post more as I find out, and hopefully give you an idea of the retail price we'll be looking at.

Good stuff! Shoud have enough s6000 to see me through till it comes out!

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luvpsi Mentor

luvpsi

Posted
Posted

sorry guys ignore the double posts above.

i just spoke to Ross the Gulf Western National Sales manager.

the synex6000 is being produced as we speak and will be released to all dealers in 4 weeks time.

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Birds Grand Master

Birds

Posted
Posted

hey guys seeing tho s6000 is not available would the m5000 be ok to run for a while til the syn x 6000 is released

Why wouldn't it be okay?

Mate, even the wrong oil isn't going to kill your engine as if it's poison. But for the record M5000 is merely the semi synthetic version of S6000.

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Rolls Grand Master

Rolls

Posted
Posted

hey guys seeing tho s6000 is not available would the m5000 be ok to run for a while til the syn x 6000 is released

You could put big w spec 25w 50 $5 for 5L oil in there and it would be fine, won't last long and if you are tracking it won't be optimal, but it won't do any harm.

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xALmoN Grand Master

xALmoN

Posted
Posted

Why wouldn't it be okay?

Mate, even the wrong oil isn't going to kill your engine as if it's poison. But for the record M5000 is merely the semi synthetic version of S6000.

how many more bottles of m5000 do you have left?

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Birds Grand Master

Birds

Posted
Posted

About 20-30 bottles from memory.

yeah after doing alot of research on this i have worked out that it wont do harm i just wanted to find the most optimal oil for a rb25det

There is no such thing...every engine is different.

There are only oils and better oils. Experiment, find out what you prefer, both in viscosity and brand. Most people here are happy with 10w40 in various brands.

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FTO Enthusiast

FTO

Posted
Posted

Interesting thread..

Just a couple of thoughts,

The DIY oil industry is a trillion dollar market, and most of the advertising claims reflect the grab for market share.

Ultra low viscosity oils (0w/20, 5w/30 etc) were developed for below freezing starts and increased mileage benefits..and not extended engine longevity.

Running these oils at startup in moderate/warm climates means your running oil the consistancy of machine oil at a time when clearances haven't stabilised and lubrication is minimal.

Your engines lubricating system, oil pump and bearing clearances were not designed to run such oils.

In this country SAE recomends 10w/30 and 10w/40, like most manufacturers do for 90's vehicles, for ambient temps in most areas. better to stick with that range in a quality oil.

Oil viscosity ratings, and tests are conducted on clean oil stocks in a lab environment, and don't reflect oil thats been running in your engine for the last 2 months or more.

Using Delvac or any diesel oil will cause oil leaks in any mid to high mileage engine, as they contain a very high level of detergents.

Synthetic oils become contaminated just the same as dino oils do, with combustion by-products, blow-by, fuel contamination and condensation. Using extended change intervals means running contaminated oil for longer periods.

Running expensive syn racing oils for OEM recomended change intervals can be very expensive, and probably has a very limited benefit.

Filters are as important as the oil your using, maybe even more so, if you choose the wrong one.

There's no substitute for oil film strength in a perf engine, so viscosity should match the upper level recomended in the SAE range for the appropriate ambient temperature.

When it comes to recomended viscosities, who are you going to trust..the manufacturer (who pays for warranty claims) the oil companies? or the guy at the store.

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