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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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Chris32 Veteran

Chris32

Posted
Posted

I've been running Penrite Racing 10 for almost 2 years now, no complaints

From what I understand, this is a Group 4/5 oil?

Deciding on if I keep using this, or switch to Nulon Full Synthetic 10-40 Hi-Tech, does anyone know what group this falls into, and if its any better than the Penrite Racing 10?

Missileman Veteran

Missileman

Posted
Posted (edited)

I've been running Penrite Racing 10 for almost 2 years now, no complaints

From what I understand, this is a Group 4/5 oil?

Deciding on if I keep using this, or switch to Nulon Full Synthetic 10-40 Hi-Tech, does anyone know what group this falls into, and if its any better than the Penrite Racing 10?

You would need to shoot Nulon off an email, I would like to know also. Prenrite state clearly in their product information sheets that Racing 10 is synthetic PAO and Ester based.

If you're looking for something a little cheaper, I have been using Penrite HPR DIESEL 5 5W-40 It has a high Zinc content as well as detergent/ cleaners, works well for me.

http://www.penriteoil.com.au/products.php?id_categ=1&id_fuel_type=3&id_products=7

Edited by Missileman
MrStabby Grand Master

MrStabby

Posted
Posted

I drop mine after every trackday. :)

I do scaling factor for track day kays - so any kms done on the track are multiplied by 5. So if i do 100kms at the track, that's equivalent to 500kms of regular driving. At this stage i have no evidence if this is sensible or not...

Booki Rising Star

Booki

Posted
Posted

The reason people drop there oil after a track day is due to the amount of heat the oil sustains when being driven on the track.

Excessive heat on any engine oil reduces its effective life immensely.

If you find yourself in the higher rpms at a track day, you should dump your oil.

Also keep this in mind on the steet. Pending how you drive.

If you want to know for sure. There are places that analyze your engine oil.

MrStabby Grand Master

MrStabby

Posted
Posted

The reason people drop there oil after a track day is due to the amount of heat the oil sustains when being driven on the track.

Excessive heat on any engine oil reduces its effective life immensely.

If you find yourself in the higher rpms at a track day, you should dump your oil.

Also keep this in mind on the steet. Pending how you drive.

If you want to know for sure. There are places that analyze your engine oil.

My track oil temp is under control. IIRC Mobil say M1 is ok with respect to degradation at 150 deg C. Agree that oil temp has a very important impact on oil life, as does quality of the oil. So whether you need to dump after a track day depends on those and other factors. As you say, if you dont test the oil you're just guessing, but thats fine too.

I've been doing oil testing on the Stagea, and will do on the GTR next time.

  • 3 weeks later...
Polishn Apprentice

Polishn

Posted
Posted (edited)

Hey guys just here for some advice:

I have read through the first few pages and I have a slight understanding but in my 33 it previously had some cold idle issues and the oil pressure was hitting 8 when driving... So I decided to change the oil and after asking around I decided to go with penrite 15w-60, though when I started it it seemed to have the same idle issue.. (Had it on for 2 minutes before I stopped as I was worried about the sump plug, which the head of the bolt snapped off...)

Any ideas? Using this car as my daily/track car!

Also like in the hills of Adelaide so it gets pretty cold here

Edited by Polishn

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