• 2-3 Complaints
• 2-3 Flare
• 2-3 Neutral
• 3-2 Complaints
• 3-2 Harsh
• 3-2 Neutral

Bore wear causes the valve to stick and excessive end plug leakage alters valve timing.

Valve hang-up is eliminated by reaming the bore and installing the Sonnax oversized valve, spring and end-plug. Valve timing is restored by reducing excess end plug leakage.

Additional Resources