Re: Proper block prep for heads?
The key is the FIBER discs, not the brown cookies. The fiber discs are not aggressive and will only really remove gasket material from steel and cast iron. The brown cookies are much too aggressive for the block surface. Green fiber is for steel/iron and the yellow is for aluminum.
07 CCSB 4x4 Lariat FX4 Bronze Metallic/Sage
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