High Moly oil and fuel effeciency

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HTHSV - High Temperature, High Stress viscosity.

The two 0W-20 oils I mentioned are a lot lighter than 5W-20 oils.
Adding some 0W-40 simply increases the viscosity enough so that at operating temp's it more closely matches the viscosity of a typical 5W-20 while still being much lighter on start-up due to the 200+ viscosity index. In other words your just making a somewhat heavier
0W-20 oil while still maximizing the full saving benefits.
 
Originally Posted By: MolaKule
Quote:
Zddp is a funny compound. It needs heat and the combustion bi-products to really activate. Once it's hot enough the zddp gets all mixed up then once the engine is turned off and cools the zddp leaves a hard glass like surface behind. Which is why it's good for flat tappet cams.


ZDDP forms a plastic film that prevent wear.

Please Clevy, leave some spaces between your sentences.

All of the soluble moly's are (not the colloids) are Molybdenum dithiocarbaates (MoDTC's) and are considered to be organo-metallic friction reducers.


There are many flavors of MoDTC's with the tri-nuclear moly being only one of them.


Sure.
Once I get on a roll I'm surprised I even use periods.
So zddp leaves a plastic type layer,not glass.
Got it. I will retain that tidbit.
Thank you molekule. If you aren't ripping into my post that must mean I'm at least close.
And I learned most of it here at bitog.
 
[quote
Sure.
Once I get on a roll I'm surprised I even use periods.
So zddp leaves a plastic type layer,not glass.
Got it. I will retain that tidbit.
Thank you molekule. If you aren't ripping into my post that must mean I'm at least close.
And I learned most of it here at bitog. [/quote]

grin.gif


I try not to rip very often but to offer suggestions and clarifications.

Now if I see something blatenly false or dangerous I might speak in a more direct tone.
 
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