The Ford 390 cubic inch firing order is :
1 - 5 - 4 - 2 - 6 - 3 - 7 - 8
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The distributor rotor turns COUNTERCLOCKWISE
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The marked # 1 position on the distributor cap faces to the REAR and slightly towards the drivers side
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The engine cylinders / spark plug locations are numbered :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front
If this is a 400 cu inch motor the order is 13726548. If this is a 460 cu inch motor the order is 15426378. The distributer rotates counterclockwise
olds. 425 c.i.d. firing order is 1-8-4-3-6-5-7-2
1-5-3-6-2-4
Firing Order is 1-2-7-3-4-5-6-8 According to the IHC 'sticker' should be timed to 6 degrees BTDC
1,8,4,3,6,5,7,2
The 1961 Cadillac had a 390 cubic inch engine. The firing order is 18436572 with the number one cylinder on the front of the drivers side.
153624
The firing order for a 478 International is 1-8-7-3-6-5-4-2 CW rotation.
The spark plug firing order for the 300 cubic inch straight six cylinder ( 4.9 L ) is ( 1 - 5 - 3 - 6 - 2 - 4 ) The spark plug firing order for the 4.2 L V6 engine used in the 1997 F150 is ( 1 - 4 - 2 - 5 - 3 - 6 )
The Ford 240 cubic inch straight six has a firing order of 1 - 5 - 3 - 6 - 2 - 4 and the distributor rotation is CLOCKWISE
15426378
The firing order for a 2000 Honda Civic 1.6 liter 4-cylinder is 1342. The recommended spark plug gap is .044 (in thousandths of an inch).