Zippaboy 4th Gear September 1, 2013 Share September 1, 2013 Just rebuild my engine with forged pistons and new bearings. Do not track but enjoy the occasional sprited driving. NSHW sometimes... Some people telling too heavy weight oil might not be thin enough to lubricate the bearings, coz of the high viscosity... ↡ Advertisement Link to post Share on other sites More sharing options...
Pisces69 6th Gear September 1, 2013 Share September 1, 2013 Just rebuild my engine with forged pistons and new bearings. Do not track but enjoy the occasional sprited driving. NSHW sometimes... Some people telling too heavy weight oil might not be thin enough to lubricate the bearings, coz of the high viscosity... Turbo u usually use 50 weight cos the oil gets very hot n 40 weight wil breakdown too easily. Chk what is recommended by the manufacturer n stick to that is better. Link to post Share on other sites More sharing options...
ER-3682 Twincharged September 1, 2013 Share September 1, 2013 Used Motul 300v10w-50. Link to post Share on other sites More sharing options...
Thedream 3rd Gear September 2, 2013 Share September 2, 2013 I think it depends on what car... Link to post Share on other sites More sharing options...
S4vtec 3rd Gear September 2, 2013 Share September 2, 2013 10w 50 Link to post Share on other sites More sharing options...
Thedream 3rd Gear September 2, 2013 Share September 2, 2013 for a WRX, the agent uses w40. Link to post Share on other sites More sharing options...
Ghostrider 3rd Gear September 2, 2013 Share September 2, 2013 Turbo u usually use 50 weight cos the oil gets very hot n 40 weight wil breakdown too easily. Chk what is recommended by the manufacturer n stick to that is better. If you dun track and just do some city driving and occasional blast...40 weight is ok. (off course try to use those more reputable brands (I have no experience with those Giant/ShopNsave oil...so no comments). No need for 50 weight oils. I have been using 40 weight for most of the time...only when I go tracking...I use the 60 grade oil. Invest in a good oil cooler is better too...as most oils will start to breakdown after 120 degree. Link to post Share on other sites More sharing options...
ChickenMob 6th Gear September 2, 2013 Share September 2, 2013 Using 10-50, think that 40 is cannot really endure the heat that our engine is giving out. Link to post Share on other sites More sharing options...
Myxilplix Turbocharged September 2, 2013 Share September 2, 2013 50wt for peace of mind on those nsh jaunts. If you have oil temp/pressure gauges you can monitor how the oil thins out as temperatures rise and your oil pressure drops. Link to post Share on other sites More sharing options...
Luckcent 4th Gear September 2, 2013 Share September 2, 2013 Not true, I have been using 10-30W Rp oil for my Frosty for 5 years since new. Nothing has happened to the engine whatsoever. Link to post Share on other sites More sharing options...
Skchiu 2nd Gear September 2, 2013 Share September 2, 2013 guess 40 oil is just enough for most TC engines Link to post Share on other sites More sharing options...
inlinesix Supersonic September 2, 2013 Share September 2, 2013 It is not about the wt of the oil. It is the quality of the oil. ///M5 also use 5-30. 1st of all, HTHS should be more than 3.5. Otherwise, forget about it. Link to post Share on other sites More sharing options...
ChickenMob 6th Gear September 2, 2013 Share September 2, 2013 just checking if with 30-40 will the FC improve? Link to post Share on other sites More sharing options...
Zippaboy 4th Gear September 2, 2013 Author Share September 2, 2013 yup , I will be using oil like motul, redline and the likes. will be using high HTHS one. my motive is will using a 40wt be better than a 50wt oil as the thinner oil can get to the bearings and small clearances better? oil temperature usually ard 90+ hard driving ard 110+ have engine oil cooler installed. thanks for all the replies so far Link to post Share on other sites More sharing options...
ChickenMob 6th Gear September 2, 2013 Share September 2, 2013 but what I worry is that I travel north very often from Melaka to Genting average speed of 120km/hr , not sure if long distance driving can use 40 or 50 will be a better choice. Link to post Share on other sites More sharing options...
inlinesix Supersonic September 2, 2013 Share September 2, 2013 yup , I will be using oil like motul, redline and the likes. will be using high HTHS one. my motive is will using a 40wt be better than a 50wt oil as the thinner oil can get to the bearings and small clearances better? oil temperature usually ard 90+ hard driving ard 110+ have engine oil cooler installed. thanks for all the replies so far For red line 5-30, HTHS is btw 3 - 3.3. Not enough in my opinion. Motul, not sure. Link to post Share on other sites More sharing options...
inlinesix Supersonic September 2, 2013 Share September 2, 2013 but what I worry is that I travel north very often from Melaka to Genting average speed of 120km/hr , not sure if long distance driving can use 40 or 50 will be a better choice. What is the worry? There must be a balance btw performance & protection. In the morning after long drive, use dip stick to take some of the oil out of the oil sump & smell it. No burn smell is ok despite the oil loss. Link to post Share on other sites More sharing options...
Fcw75 Hypersonic September 2, 2013 Share September 2, 2013 Been using 5W-30 for my TDI engine for the past 6 years. ↡ Advertisement Link to post Share on other sites More sharing options...
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