Aircooled VW Timing

VW Codes & Numbers

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Aircooled VW Timing

Engine	Engine Code	Ignition Timing

Type I
Aug. '60-July '65	D	10 degrees before
Aug. '65-July '65	F	7.5 degrees before
Aug. '66-July '69	H	7.5 degrees before
Aug. '69-July '70	B	0 degrees TDC
From Aug. '70	AE	5 degrees after*
* (From April '73: 7.5 degrees; checked with vacuum hose off)
From Aug. '71	AK	5 degrees after
From Oct. '72	AH	5 degrees after
From March '73	AM	5 degrees after

Type II
June '60-Dec. '62	D	10 degrees before
Jan. '63-July '65	G	10 degrees before
Aug. '65-July '67	H	7.5 degrees before
Aug. '67-July '70	B	0 degrees before
From Aug. '70	AE	5 degrees after
From Aug. '71	CB	5 degrees after*
* (from Aug. '72: 10 degrees after)
From Aug. '72	CD	5 degrees after**
** (autostick check: 900-1000rpm)
From Nov '73	AW	5 degrees after***
*** (automatic trans: 5 degrees after)

Type III
Through July '64	K	10 degrees before
Through July '65	R	10 degrees before
Aug.'65-July '67	T	7.5 degrees before
From Aug. '67	U	5 degrees before
From Aug. '71	X	5 degrees before