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Timing Disc

Timing Disc & Wiring Diagram

The timing disc above is useful for timing all VW conversions using a 5" diameter prop hub. Use 25 degress BTDC (before top dead center) for all engines larger than 2180cc. Use 28 degrees BTDC for all engines up to 2180cc. Depending upon which cylinder you are using for your #1, the key way as shown may be in a different position. This disc is for Slick 4016, 4216 or 4316 magentos and Bosch 009 Distributor.

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