khunjeng Posted October 14, 2006 Share Posted October 14, 2006 Just stick with the 5W30 in summer. There's no real need to go thicker as the oil temps will still roughly be the same when its the motor is hot anyway (as the coolant indirectly will remove the heat). and ur cold start cSt rating will be like much less thanthat of the 10W40.... one question for Busky and trex...I use a 10W30 in my fto and is the goods....I had been using a 10W40 Redline in my Rb25...what u think about lowring it to 10/5W30 as we move into summer...prop. the same as post above. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2582341 Share on other sites More sharing options...
Busky2k Posted October 14, 2006 Share Posted October 14, 2006 Well why not give the 10W30 a shot in summer. Your motor might like it Unless its a track vechicle etc. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2582605 Share on other sites More sharing options...
khunjeng Posted October 15, 2006 Share Posted October 15, 2006 its a rb25 worked to 300rwkw...I went the 10W40 redline as I thought it to be a good general thickness...yeah might gove the 30 a go... what weight and brand do u use?? Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2584710 Share on other sites More sharing options...
Trex101 Posted October 15, 2006 Share Posted October 15, 2006 its a rb25 worked to 300rwkw...I went the 10W40 redline as I thought it to be a good general thickness...yeah might gove the 30 a go...what weight and brand do u use?? What's your avg oil temp? A general rule of thumb is to increase oil viscosity by a grade if oil temp increase by 10'c. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2585061 Share on other sites More sharing options...
Busky2k Posted October 16, 2006 Share Posted October 16, 2006 khunjeng, stay with Redline, its a good oil. Or Motul's 300V "Double Ester" formulation looks great too (mega dose of Moly!). Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2586326 Share on other sites More sharing options...
RodMonsta Posted October 16, 2006 Share Posted October 16, 2006 hi, im the guy who used to put repco semi synthetic in his r33. I did my oil change last weekend using mobil1 0w40 and omg can't believe how much smoother it is now. (either mobil1 really good or repco oil just pure cr*p) for some reason i have a feeling its the second one Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2586452 Share on other sites More sharing options...
Busky2k Posted October 16, 2006 Share Posted October 16, 2006 Probably because the M1 0W40 is a bit thinner and would be friction modified. Thus leading to a more smoother and peppier motor Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2586475 Share on other sites More sharing options...
khunjeng Posted October 16, 2006 Share Posted October 16, 2006 khunjeng, stay with Redline, its a good oil. Or Motul's 300V "Double Ester" formulation looks great too (mega dose of Moly!). I'm going to stick with the redline for sure...I havn't got a oil temp guage - i was going to install one but then didn't. Maybe its a must - I assume its hotter but then again I only take it to the max on the odd occassion and its driven on the street. btw Trex..finally got into the BITOG..saw a few of ur posts...just sussing out UOA now and will post some results using the 10W30 redline. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2586973 Share on other sites More sharing options...
Busky2k Posted October 16, 2006 Share Posted October 16, 2006 lol usually Redline has less than stellar UOAs. Sadly. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2587328 Share on other sites More sharing options...
Trex101 Posted October 16, 2006 Share Posted October 16, 2006 I'm going to stick with the redline for sure...I havn't got a oil temp guage - i was going to install one but then didn't. Maybe its a must - I assume its hotter but then again I only take it to the max on the odd occassion and its driven on the street.btw Trex..finally got into the BITOG..saw a few of ur posts...just sussing out UOA now and will post some results using the 10W30 redline. Have you found a UOA kit yet? Which company are you senting for analysis? I'm now using Wearcheck usa Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2588375 Share on other sites More sharing options...
Cubes Posted October 16, 2006 Share Posted October 16, 2006 Oil change next week.. I'll be grabbing some Mobil Delvac 1 5w40 for $50 Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2588388 Share on other sites More sharing options...
Trex101 Posted October 16, 2006 Share Posted October 16, 2006 Oil change next week..I'll be grabbing some Mobil Delvac 1 5w40 for $50 That's quite a good deal. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2588397 Share on other sites More sharing options...
Busky2k Posted October 17, 2006 Share Posted October 17, 2006 Yeah, the best oil for your buck with D1. You can't even buy Castrol's or Shells's Group III stuff for that price anymore. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2589271 Share on other sites More sharing options...
ZENNON Posted October 19, 2006 Share Posted October 19, 2006 Thanks for this thread and everyone who has contributed. I decided to go for the Motul Turbolight 4100 10W-40 Service this weekend and then track day next weekend Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2598244 Share on other sites More sharing options...
khunjeng Posted October 21, 2006 Share Posted October 21, 2006 Have you found a UOA kit yet? Which company are you senting for analysis? I'm now using Wearcheck usa yeah I have and got the sample sent to me already. I used a company that Busky2k gave me...I will chnage the oil and take the sample and send it off..I'm excited Been busy changing ATF and GB and DIFF oils in other cars...omfg ATF changes suck arse. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2603220 Share on other sites More sharing options...
ukai Posted October 26, 2006 Share Posted October 26, 2006 Oil change next week..I'll be grabbing some Mobil Delvac 1 5w40 for $50 How did the delvac go cubes ? Does it matter that is is formulated for diesel engines ? Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2618820 Share on other sites More sharing options...
Cubes Posted October 26, 2006 Share Posted October 26, 2006 Haven't got around to doing the oil change. The oil is suitable and meets the gasoline API SL. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2619050 Share on other sites More sharing options...
rickhead Posted November 1, 2006 Share Posted November 1, 2006 (edited) Just had an oil change, used mobil 1 10W 50 this time. The mechanic reckons it can easy last 10000 K's between services, this seems a long time to me ???? Edited November 2, 2006 by rickhead Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2635395 Share on other sites More sharing options...
Busky2k Posted November 4, 2006 Share Posted November 4, 2006 ^^ Absolutely no problem if your car isnt a track warrior and is tuned well. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2641341 Share on other sites More sharing options...
AfterTaste Posted November 8, 2006 Share Posted November 8, 2006 What would be the best oil for cold weather? Like up to -40° C. Link to comment https://www.sau.com.au/forums/topic/22458-the-goods-on-oils/page/19/#findComment-2650825 Share on other sites More sharing options...
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