Best timing setting
Moderator
Joined: Aug 2002
Posts: 6,097
Likes: 379
From: Southern California
Start off at stock & then set it to what it likes..............it is all very dependent on fuel quality, temp, humidity, altitude, etc.
Moderator
Joined: Aug 2002
Posts: 6,097
Likes: 379
From: Southern California
rotate the dist until you find the spot the engine runs the fastest/smoothest (or creates the highest vacume if using a vacume gauge) you are likely within 1-2 degrees of on the mark! Adjust the fuel mixture, idle speed and you can go...if it pings at all, back the timing down 1-2 degrees.
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
On our 4.9L/300 6 cylinder engines, rotating the distributor clockwise retards the timing and counter clockwise advances.
If after advancing, you experience pinging under a light load, retard slightly and drive again.
If after advancing, you experience pinging under a light load, retard slightly and drive again.
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