Valve Spring Installed Height
Valve spring installed height is measured from top of shim, at bottom of spring, or spring seat to top of valve spring or spring shield. If distance exceeds specified height, install a 1/16" thick shim. Installed height should never be more than 1/16" less than specified height.
VALVE SPRING INSTALLED HEIGHT
| Application | Height | |
|---|---|---|
| 1965-69 (All) | 1 21/32" | |
| 1970-72 (All) | 1 23/32" | |
| 1973-74 (All) | ||
| Int. | 1 23/32" | |
| Exh. | 1 5/8" | |