So I'm thinking of either polishing or powdercoating my valve cover on my 2.4 since no one seems to makes covers for it. I was reading on some threads that polishing traps in heat? and would powder coating do the same? And if anyone could let me know if this is true or false and the reasoning behind it that would be amazing. Thanks in advance!

 

Powder Coating is easier to take car of.

 

Polishing does not trap in heat.
Powercoating might, due to the added thickness of the material... but nothing you'll notice.

It's not like the valve cover gets retardedly hot anyways.

 

polishing cannot trap in heat....you are not adding or coating the metal in anything....powder coating may trap some but like omega said it will be irrelevant and valve covers dont get very hot anyways

 

unpolished cools marginally better due to increased surface area among all those millions of little ridges and burrs and whatnot. but so minimally that I doubt any difference would be noticable.

i've got mine PCed black now, never noticed any change in any temps.

 

also to a point you want the heat to stay in the motor b/c you dont want it to dissipate into the ambient air and heat up the engine bay.....

 

Anyone have any idea how much they would cost to get polished?

 

Bump