Engine Oils - trying out the best
Posted: Sat May 13, 2006 1:20 pm
I decided to change my oil again and give the Redline series a go. I used the 5W-30 one and just put it in....quite expensive...$110 all up for 4.7l (cos its all in gallons) however research on thier oils has put them on the top of my list...
I used the Motul 5W30 V300 series prior however thorught i give this a go based on their protection ratings etc...
accoring to most numbers their 5W-30 film as the same protection as 40...but the added benifit of the oil being able to flow more quickly...blah blah...
KJ
I used the Motul 5W30 V300 series prior however thorught i give this a go based on their protection ratings etc...
accoring to most numbers their 5W-30 film as the same protection as 40...but the added benifit of the oil being able to flow more quickly...blah blah...
and whats HTHS u ask???Thinner oil will has less drag on the engine component during operation. It will actually increase hp and improve your FC with thinner oil but the cons are lower HTHS at 150'c. This is the oil thickness when the oil reach 150'c during load or stress.
The best oil would be a thin 30wt oil with high HTHS. It will give you good hp and FC plus great protection during full throttle run.
IMO Redline 5w30 with HTHS of 3.8 are make up of mostly polyolester (group V) base stock couple with killer additives are the best money can buy. The oil film strength at high temp are stronger than most 40wt fully synthetic oil in the market.
FYI Mobil 1 fully synthetic 0w40 HTHS are only 3.6
see how it goes...anyone else tried their products?HTHS stands for High Temp High Shear using ASTM D4683. It the oil viscosity under hydrodynamic lubrication at 150'c, a good indicator of (under hydrodynamic lubrication) wear protection in high load and stress situation. HTHS will drop if the oil do shear over useage/time, so choosing a good oil is very important for engine wear protection.
Synthetic oil do normally shear less than mineral but only UOA (used oil analysis) can tell the condition of your oil and engine.
KJ
