Originally Posted By: Shannow
Originally Posted By: TiredTrucker
I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.
that's a claim that demands some evidence...got some ?
The thinner oil flows from the rod bearings faster providing more cooling oil to the piston. You know, like in power plants more flow transfers more heat. Get out your thermo book.
Originally Posted By: TiredTrucker
I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.
that's a claim that demands some evidence...got some ?
The thinner oil flows from the rod bearings faster providing more cooling oil to the piston. You know, like in power plants more flow transfers more heat. Get out your thermo book.