Moodles2 Posted May 22, 2011 Share Posted May 22, 2011 Further to the comment about gulf 1 being a track oil. Can I ask why you say that? I'm not saying thats not correct but I want to know why you say it as the rep suggested I use gulf 1 now that sougi 6000 is gone. Suigi S6000 is 10w40. Gulf 1 is 10w60. 10w60 is great.... for tired engines with poor tolerances and/or serious blowby problems. Not something you would want to put in a RB which has 7.5w30 specified by factory (10w40 taking into fact our warmer climate). The 60 rating is nice and thick for track duty, though if the engine isn't built for it (ie. no sump mods or extensions, head restrictorss), the thickness of the oil will have trouble draining back to the sump and the engine will end up with oil starvation. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5826921 Share on other sites More sharing options...
rehab2010 Posted June 5, 2011 Share Posted June 5, 2011 I just did an oil change after running Penrite Everyday full-synt 10W-40 for the last 2,500kms. Car had 102,500kms when I put that oil in, and now I just gave it some Motul 8100 x-cess 5W-40. To be honest, I thought Penrite did a good job, but decided to try something different. Penrite oil was completely black after 2500 kms, so now I'll check if Motul looks the same after similar number of kms. Car did not use any oil during this period which is a good start. I'll also check for this really heavy burnt smell I had with Penrite from the start, it just smelled like it was burning, but some people on this forum said that this smell and blackness of oil is normal - lets wait and see how Motul goes. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5850297 Share on other sites More sharing options...
Kenna802 Posted June 5, 2011 Share Posted June 5, 2011 quick question if i replace the pistons ,rings and bearings in the motor and valve springs etc what oil should i use after run in the reason i ask is i notice that people talk about older rb's etc with bigger tolerences and things and use a different type of oil eg. 5-60 grade i was planning on using a 10-40 Ur help would be appreciated Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5850438 Share on other sites More sharing options...
Rolls Posted June 5, 2011 Share Posted June 5, 2011 A good quality 10w-40 would be perfect Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5850465 Share on other sites More sharing options...
Kenna802 Posted June 5, 2011 Share Posted June 5, 2011 Thanks Rolls !!!!! Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5850540 Share on other sites More sharing options...
Don Dada Posted June 9, 2011 Share Posted June 9, 2011 (edited) Is it just me, or does Redline get really black really fast??? I only run it up to 4000kms for this reason Edited June 9, 2011 by Don Dada Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5858657 Share on other sites More sharing options...
fastjetjockey Posted June 10, 2011 Share Posted June 10, 2011 ^ I'd rather my oil have all the black crap than the contacting surfaces inside my motor. What oil did you use before your change? I'm about to start my maintenance regime on my newly acquired, fairly stock 34Gt-t. Kicking off with it's 100k service. I'm thinking of using Royal Purple 10w40 for my first stint, after a flush with a cheapy. But I have also been considering Motul 4100. Decisions decisions! My mate ran RP in his 34 and had nothing but good things to say, plus you read the odd thing here and there. Not too many negative things are said about RP, if at all. But if anyone wants to suggest to me otherwise, go ahead! Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859102 Share on other sites More sharing options...
jrm Posted June 10, 2011 Share Posted June 10, 2011 Go Motul 8100 Xmax 10w40 Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859140 Share on other sites More sharing options...
Beer Baron Posted June 10, 2011 Share Posted June 10, 2011 yeah I agree with the royal purple going black really fast (though it is purple to start with...). I've mainly run it in my RX7 as that's what was reccomended but I didn't rate it that high. much prefer the motul chrono 300v 10W40 for all my road going nissans (currently 2 GTRs and my silvia). Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859181 Share on other sites More sharing options...
10 4 Posted June 10, 2011 Share Posted June 10, 2011 RP ftw Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859317 Share on other sites More sharing options...
JDM34 Posted June 10, 2011 Share Posted June 10, 2011 It's probably been asked and answered already but reading through all 108 pages is crazy! Anyway, I was just wondering what the best oil for an N/A R34 25GT (with the NEO RB25DE engine) is? A lot of people have recommended different oils and I'm just not sure which one to go for. Thanks a lot. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859376 Share on other sites More sharing options...
Galois Posted June 10, 2011 Share Posted June 10, 2011 Most questions are covered in the last 10-20 pages, or you can search within this thread. I'd be using 4100 turbolight, or some similarly cheap(ish) yet recommended semi-synth. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859597 Share on other sites More sharing options...
Rolls Posted June 10, 2011 Share Posted June 10, 2011 (edited) one of the motul 8100s would be fine, go the cheaper on, or even 4100, they are all probably overkill for an NA motor Edited June 10, 2011 by Rolls Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5859687 Share on other sites More sharing options...
Benji82 Posted June 13, 2011 Share Posted June 13, 2011 Whats the go with the Motul 8100 Xmax 10w40? I went to repco the other day and they are still selling the 5-40 8100 version. Is it any different or just a new name? Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5863171 Share on other sites More sharing options...
Galois Posted June 13, 2011 Share Posted June 13, 2011 (edited) Different additives are used to achieve the 10w40, other than that they're probably both quite similar, aimed at similar markets. Were they going to scrap the 8100 xcess? I thought the xmax was released as just another product, not a replacement. Edited June 13, 2011 by Galois Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5863345 Share on other sites More sharing options...
chocco Posted June 13, 2011 Share Posted June 13, 2011 300v Chrono in my r33 gtst with just under 100,000 kms. Been standard all its life and runs extremely smooth Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5863470 Share on other sites More sharing options...
joeyjoejoejuniorshabadoo Posted June 14, 2011 Share Posted June 14, 2011 5w40 is thinner when cold than 10w40 also 5w40 has more additives than other motul oils and in the 300v format is the only viscosity that is not able to be mixed and matched Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5865950 Share on other sites More sharing options...
joeyjoejoejuniorshabadoo Posted June 14, 2011 Share Posted June 14, 2011 tuned the car on castrol edge 10w60 the other day... so far the car idles perfectly, warm's up and runs perfectly at operating temp, and has no signs of negatives with the 60 weight or robbing of any power car made 290rwkw on 20 psi (old motor made just over 280 on turbolight 10w40) Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5865953 Share on other sites More sharing options...
Galois Posted June 14, 2011 Share Posted June 14, 2011 (edited) That's very interesting, how does the tune depend on the oil? Like what are the changes in tune for different oils? Also what did you mean by the 300v mixing, as in it can't be mixed with other oils? Or other 300v's? Edited June 14, 2011 by Galois Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5866074 Share on other sites More sharing options...
iamhe77 Posted June 15, 2011 Share Posted June 15, 2011 I just did an oil change after running Penrite Everyday full-synt 10W-40 for the last 2,500kms. Car had 102,500kms when I put that oil in, and now I just gave it some Motul 8100 x-cess 5W-40. To be honest, I thought Penrite did a good job, but decided to try something different. Penrite oil was completely black after 2500 kms, so now I'll check if Motul looks the same after similar number of kms. Car did not use any oil during this period which is a good start. I'll also check for this really heavy burnt smell I had with Penrite from the start, it just smelled like it was burning, but some people on this forum said that this smell and blackness of oil is normal - lets wait and see how Motul goes. Black oil is what you should be dropping and shows that it it cleaning carbon from the engine. Burning smell is NOT normal and is a sign of an oil that is not up to the task for your engine. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/108/#findComment-5866446 Share on other sites More sharing options...
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