Phase: intake 290/106 exhaust 290/106
Designed basically for 1700-1800cc engines.
Optimal range: 3000-7500rpm.
Performance depends on level of tuning.
For mechanical valve lifters.
Valve gap: intake/exhaust - 0.15/0.15mm
Valve lift is indicated with zero gap.
Phase width is indicated with gap 0.2mm.
Valve overlap can be set at TDP ±2º with adjustable sprocket.
Adjusting carburetor, ignition or adjusting ECU (for injection engines) addditionally improves engine performance.
Installing adjustable timing sprocket/gear is required.
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