| Neither | |
| A timing chain and sprockets are being install in an OHV pushrod engine. Tech Y says the cam and crank should be rotated so the chain and sprockets can be installed with the marks on both sprockets pointing straight up. Tech Z says the cam and crank should be rotated so the chain and sprockets can be installed with the mark pointing straight down. Which tech is correct? | |
| Y | |
| Z |