All aircooled VWs have the same firing order: 1-4-3-2
The Volkswagen Squareback was produced from the years 1961 to 1973. The maximum speed of a 1973 Volkswagen Squareback 4 cyl 52 HP is around eighty miles per hour.
18436572
the firing order is cast in to the intake manifold
By removing the passenger side engine top nut, this one & the same that pass thru starter! mission done!
The suggested spark plug gap for a 1973 Harley Davidson is 0.040. It is the suggested gap for most of the spark plugs of that era.
18436572
153624
73 Chevy 350 firing order: 18436572 countercockwise
firing order for 73 mercadies 300sel 4.5
The firing order of a 1973 Dodge Coronet with a 6 cyl (225) engine is 1-5-3-6-2-4 The firing order of a 1973 Dodge Coronet with an 8 cyl engine is 1-8-4-3-6-5-7-2
( .035 inch ) spark plug gap for a 1973 Dodge 318 V8 engine , according to my Chilton book
1.8.4.3.6.5.7.2