Hello BITOG my name is Andy.
Here is where i am a little confused on oil weights..
lets use a _W-30 weight M1 oil for discussion.
In the morning i start my car it is 40*C out using M1 5w-30. On the M1 site it says my Cst is 64.8. and at 100*C the Cst is 11.3.
Now lets say i use a 0w-30 M1 it is 40*c out. on the M1 site is says the Cst is 63.1. and at 100*c it is 11.
after reading the board for a while and reading post that say "0W-_ oil is better for start up protection because it is thinner than a 5w-_ oil."
Is 1.7 Cst on start up really going to help much? yes i understand that the W is "winter blend" so to speak... i have also read on here that an "0w-30 is too thin of an oil on start up and will hurt the engine????" Thus the poster suggested a 10w-30 oil...
Or is looking at the Cst not the correct way to judge how an oil will flow in an engine at different temps? KV (kinematic Viscosity) is measured in Cst. rite?
Is the 0w-30 or 5w-30 oils different below the 40*C test temp that i am not able to find data on?
Thanks
Here is where i am a little confused on oil weights..
lets use a _W-30 weight M1 oil for discussion.
In the morning i start my car it is 40*C out using M1 5w-30. On the M1 site it says my Cst is 64.8. and at 100*C the Cst is 11.3.
Now lets say i use a 0w-30 M1 it is 40*c out. on the M1 site is says the Cst is 63.1. and at 100*c it is 11.
after reading the board for a while and reading post that say "0W-_ oil is better for start up protection because it is thinner than a 5w-_ oil."
Is 1.7 Cst on start up really going to help much? yes i understand that the W is "winter blend" so to speak... i have also read on here that an "0w-30 is too thin of an oil on start up and will hurt the engine????" Thus the poster suggested a 10w-30 oil...
Or is looking at the Cst not the correct way to judge how an oil will flow in an engine at different temps? KV (kinematic Viscosity) is measured in Cst. rite?
Is the 0w-30 or 5w-30 oils different below the 40*C test temp that i am not able to find data on?
Thanks