Can't speak to the HLT process, but OZ has been around forever and makes a solid product.
I know shot peening has been used on performance parts for a long time as it helps "solidify" the metal. I'd guess it falls inbetween cast and forged for strength. If it keeps costs down then i'm all for it!!
I know shot peening has been used on performance parts for a long time as it helps "solidify" the metal. I'd guess it falls inbetween cast and forged for strength. If it keeps costs down then i'm all for it!!