Engine Question

That’s not exactly true of the engines power rating but more of what everything else is doing in, on and about the car. If your chassis and drivetrain behind the engine are all sorted out, it’ll perform great. If not sorted out, is the engine to blame?
It's funny how few realize it's all about a balanced package. A 800 hp engine can run worst than a stock one with 2.xx gears and a bad converter match. But the "engine is a dog"