I spoke with at least three Speed GT teams during the recent Long Beach GP that use the LS2 based engine (including Lou G's team, Dreisy's team and at least one other) and they all stated that the engine block is sound to the RPM levels they are using (well over 7k, but not super duper high). Granted, the rotating assemblies are swapped for full boogie forged race cranks/rods/pistons, but the block is a blueprinted (per "their" specs) GM piece. Pretty impressive.
Me? LS2, new rotating assembly, ported heads, dry sump for the shop 70 Camaro project. Oh, and please get out of my way quickly, I'll be coming through fast. It's not a UFO in your mirror, I'll be moving faster than that.
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