Any of you guys have any experience with such a thing as mentioned in the title. I broke the bolt that goes to the cam sprocket and windowed my valve cover. I did it while at cruising speed and shut it down with in an 8th mile. At first I thought it was fuel pumps kinda acted like it was starving for fuel. So just kinda wondering before the tear down what may be in store broken pistons, bent valves ……..