The purpose of this article is to address port work for the 3.4 996 and 3.4 987 and 3.6 996/997 heads. We field a lot
Category: Cayman
The Hot Head Pressure Testing Myth
A brief debunking of a common misconception about water cooled cylinder head cracks.
Porsche 987/997 Valve Seat Issues
A detailed explanation of the valve seat issues that plague M97 engines.
hamheads.com 