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Im running 10W 40 redline in a standard R33, did find it interesting that after doing about 5500 kms oil pressure is not as healthy and stable as it was (at higher engine temps) . Its goin to be an expensive thing to run though cause its clocked that in just under 3 months of running. Was goin to do the change over the weekend.

  • 3 weeks later...

When i had my old 33gts, i changed oil every 5k to 8k and always change oil filter and also use lighter weight oil.

Now i have my gtr, it make power therefore i ALWAYS change oil and genuine Nisan filter every 5K. There are two type of Genunie Nisan filter, the big one made in Thailand which to me is a no no, the small one that made in Japan i use.

Then every now and then i used engine oil flush product (GERMAN) to give that extra clean, i'm not anal about my car but i dont want to give it any reason to f*k it self as i can't afford to rebuild it.

fully synthetic oils these days last much longer than mineral or semi synth oils. I don't recommend it, but you can probably leave it longer than 10,000 and still be protecting your engine properly.

I change my oil every 4,000kms or 6 months in a car that sees mostly track work these days. I also use genuine nissan oil filters, they are like $12-13

So are you saying you do multiple track day's on one oil change?

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