Results 5,191 to 5,200 of 6542
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October 24th, 2017 11:35 PM #5191
That is sludge. Was he experimenting? He'd need to flush all the sludge out.
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October 24th, 2017 11:40 PM #5192
following manufacturer intervals will have avoided this...
she must have followed the oil manufacturers claim of "up to 20,000" but disregarded oil manufacturer's recommendation of "follow your vehicle's recommended oil change interval"
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October 24th, 2017 11:59 PM #5193
Doing a 20,000 km OCI will probably work if your driving conditions are almost exclusively interstate-like. But her in MM, people should adhere to 3, 4 or 6 months OCI, whichever is prescribed. KM value will not matter if the vehicle spends three-quarters of its life idling in traffic.
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October 25th, 2017 04:29 AM #5194
http://zicph.com/product/2
zic ph finally released the pds and msds..
the 10w40's hths is super thick.. almost like 50weight.. hence some say their engines are quieter...
even their 5w30 is like 40weight
uploaded photos
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October 25th, 2017 06:53 AM #5195
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October 25th, 2017 07:48 AM #5196
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October 25th, 2017 09:24 AM #5197
Group III vs Group IV (PAO). Does it still matter?
Talking only about fully-synthetic oil, there was probably a point in time when PAO base oils were considered the holy grail of lubricants and were actually superior, in a very big way, to Group III and lower base stocks. But is this still the case today? It appears now that the performance gap between Group III and IV base stocks have become so close that the jump in cost choosing PAO appears to be no longer practical.
As cost is a major concern for most people, are the seemingly marginal benefits of PAO enough justification to throw money at it?
Below is an article I read challenging this conventional thinking. Excerpts has been provided if you do not wish to read the whole article.
A similar trend is emerging with Group III base oils, especially those made using modern hydroisomerization. These oils provide equivalent performance to traditional PAO-based synthetic oils for most products and can be manufactured in volumes and at price points unachievable by PAO.A modern Group III oil can actually outperform a PAO in several areas important to lubricants, such as additive solubility, lubricity and antiwear performance. Group III base oils can now rival PAO stocks in pour point, viscosity index and oxidation stability performance.This equivalent performance was validated by the 1999 ruling of the National Advertising Division of the Better Business Bureau which allowed lubricants made with Group III oils to be labeled “synthetic.”Unfortunately for PAO producers, their feedstock prices will continue to be relatively high, and the authors believe that this will relegate PAO-based lubricants to smaller, specialized markets in the future. Driven by the substantially lower price of Group III oils, the synthetic automotive lubricant market in North America is rapidly converting most of its volumes to Group III base stocks.
Comments?
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October 25th, 2017 01:10 PM #5198
That is true. Grouo III base oils are just cheaper and it makes sense to just develop and improve them than to push people to switch to FULLY SYNTHETIC Oils.
Shell has a new oil that they highlight as purest due to gas to liquid process. It is base 3 as well iirc.
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October 26th, 2017 08:35 AM #5199Re: Shell Helix HX7. 5W-40. Is this Group III based?
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