is there anyway to clean off the gunk and such off the valves? and maybe clean up the pistons a little. they look pretty nasty and i dont know of anyway but spraying with degreaser and then washing it off, which is a nono with internal parts.

 

i do head job once in a while and we take the valves to a grinder wheel and polish them they look all pretty after there grinded but then we take them to a cool tool that makes them perfect so i don't know of any other way personally so i say upgrade while you have it all apart you can use wd-40 and some rags thats always a good way to clean some parts

 

well you do know thats what happens when your run an engine. parts dont stay all shiny like new.

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when irebuild my enginesi bead blast those parts to get the carbon and gunk off.

 

I used a blue scotch bright pad w/ an pnumatic tool to clean mine, they looked brand new! also it's good for cleaning the block for the gasket surfaces.