Valve Stem Oil Seals
Oil seals are rubber umbrella or cup-type placed over valve guides. Metal ring on seal holds unit in place against guide.
VALVE SPRINGS
| Engine | Free Length In. (mm) | PRESSURE (LBS.) Lbs. @ In. (kg @ mm) | |
|---|---|---|---|
| Valve Closed | Valve Open | ||
| B18D | 1.77 (45) | 56±4.5@1.54 25±2@39 | 145±8@1.20 66±3.5@30 |
| All Others | 1.81 (46) | 65±5@1.57 29.5±2.3@40 | 181.5±9.5@1.18 82.3±4.3@30 |