Engine Compression
Test compression with all spark plugs removed and engine at normal operating temperature. Crank engine through at least five compression strokes before recording reading. Maximum compression variation should not exceed 25% between highest and lowest cylinder.
COMPRESSION SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| Compression Ratio | ||||
| 302" | 8.4:1 | |||
| 351" | W 8.3:1 | |||
| 351" | M & 400" 8.0:1 | |||
| 460" | 8.0:1 | |||
| Recommended Fuel | (1) (87 AKI Minimum) | |||
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