What you’re watching is a pit rebuild after a run from an NHRA Nitro Funny Car. 90% nitromethane fuel creates combustion so violent that the engine must be torn down after every 4-second pass. This isn’t routine maintenance. This is inspection after extreme heat, pressure, vibration, shockwaves, and mechanical stress at over 12,000 horsepower. Heads removed. Clutch pack rebuilt. Bearings replaced. Fuel system checked. Every part examined for damage caused by combustion forces most engines could