Now up to the cylinder heads. "The pushrods—long ones on the intake side, shorter on exhaust—run from the camshaft inside the block (yes, it's a cam-in-block, old-school) up to the rocker arms. Those rockers open the valves."
He slid his finger up a set of vertical lines: . Chevy 3 1 Liter V6 Engine Diagram
He tossed the manual back on the pile. "Now go draw that diagram yourself. It'll teach you more than any picture." Now up to the cylinder heads
His finger moved to the bottom of the drawing: . it's a cam-in-block
His finger rested on the two most notorious parts: .
Finally, the top: .