Using the Cam Profile Tool to Time Intake and Exhaust Cams on the Porsche 928, 32 valve engines, all years

The Cam Profile Tool is used to ensure correct camshaft phasing on the Porsche 928, 32 valve engines, all years. This is crucial as incorrect phasing can result in significant loss of horsepower and even damage to the engine.

Camshaft Phasing: Why It Matters

Getting the cam phasing wrong by as little as one tooth (one half a link) can cause valve overlap, resulting in a significant drop in horsepower. Even worse, the out-of-phase intake camshaft can cause valves to interfere with pistons, leading to expensive repairs.

Using the Cam Profile Tool

The Camshaft Profile Tool was developed by Porsche to provide a positive check on cam phasing. It is easy to use, even for those without extensive mechanical experience.

The tool is used by counting the links from the exhaust cam to the intake cam, checking for correct placement, and then verifying the result using the tool. The manual provides detailed instructions and photos for easy reference.

Manual:

Download: Using the Cam Profile Tool to Time Intake and Exhaust Cams on the Porsche 928, 32 valve engines, all years

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