Ford CSG-649 — Ignition Timing Check with Timing Light
Adjustments · ignition system
For the Ford CSG-649, from the Ford service manual.
Applies to: Ford CSG-649
Procedure
- Disconnect and plug the vacuum advance line.
- Clean and mark the specified timing mark with chalk or paint.
- Connect timing light to No. 1 cylinder spark plug wire.
- Start engine and reduce idle speed to 800 rpm.
- Adjust distributor by rotating until timing mark aligns.
- Reconnect vacuum advance; check centrifugal advance at 2000 rpm.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Ignition timing 6 degrees B.T.D.C. recommended
Full service-parts list: Ford CSG-649 →
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.