Find someone with a brake lathe and gather up the grindings. mix the grindings with a can of rustoleum primer and brush on the heads. mix as much grindings as you need to create as rough a surface as you want. after that, paint ford blue. ps, if you mix enough grindings in, a magnet will stick to the head.
AFR heads are milled on the ends with a deep "AFR" logo engraved. Painting them won't hide much, and sprinkling metal particles has got to be the most ridiculous idea I've ever heard. I've got a buddy who has a very stock appearing Mustang Foxbody, but the car runs 10's on motor. He has spent a great deal of time & money to make the car appear to be a stock vehicle. The aftermarket Trick Flow heads were a**** the major challenges. He used simple tools and reshaped the visible areas of the cylinder heads to resemble OEM Ford cylinder heads. He used a needle scaler to get the texture in the heads, and used a couple of various types of paint to get a factory appearing look. Here's an article you might be interested in... http://www.superchevy.com/technical..._0903_302_small_block_engine_build/index.html
I've painted my SBC black with VHT rattle can paint. Used 3 or 4 cans on the block and heads and a lot (not all of but a lot) of the casting roughness disappeared. It's far less labor intensive than smoothing the block.
i would not be ashamed of my heads. but i could see the fun one could have with saying its stock.. the break shavings in paint.. seems odd. one thing is for sure. bolting on 50hp is hard to ignore and who can fault you.. peace. chris.
Did you really just ask that? You answered your question in the post. Man some people........... Uhhhhhh my house is on fire and its getting hot inside, I should post on the hamb to see what to do!
Both RustOleum and Krylon sell texture paint in rattle cans. Use it as a base coat then paint the head to match the block. Comes pretty darn close to looking like cast steel.