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Ford 302 HO & 351W Firing Order Diagram 1-3-7-2-6-5-4-8 with Distributor Cap

Firing-order diagram for Ford HO and 351W engines showing distributor cap numbering and 1-3-7-2-6-5-4-8 order.

AI caption · Photo 39 of 40

This document is a firing order and cylinder numbering schematic for Ford V8 engines, specifically labeled 'HO & 351 W' (the 302 High Output and 351 Windsor engines). The firing order shown is 1-3-7-2-6-5-4-8. The main diagram depicts the engine block from above, showing cylinder numbering: cylinders 5, 6, 7, and 8 on the left (driver's) side bank and cylinders 1, 2, 3, and 4 on the right (passenger's) side bank, numbered front to rear. Above the block diagram is a circular distributor cap illustration showing the plug wire positions arranged around the cap with numbers 1 through 8 (readable positions include 3, 2, 6, 5, 4, 8, 1) and an arrow indicating rotor position/rotation. A reader can use this document to correctly route spark plug wires from the distributor cap to the appropriate cylinders on a 302 HO or 351W engine. The document is credited to 'Jrichker' and dated 01-05-2007. It contains no part numbers, torque specs, or wiring color information — it is purely an ignition firing order reference.

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Frequently asked questions

What is the firing order for the Ford 302 HO and 351W engines?
According to this diagram, the firing order for the HO & 351 W engines is 1-3-7-2-6-5-4-8.
How are the cylinders numbered on a Ford 302 HO / 351W?
The diagram shows cylinders 1-2-3-4 on one bank (right side of the diagram, front to rear) and cylinders 5-6-7-8 on the other bank (left side, front to rear).
Does this document show the distributor cap wire positions?
Yes, a circular distributor cap diagram at the top shows the plug wire positions numbered around the cap (positions 1 through 8 visible, e.g., 3, 2, 6, 5, 4, 8, 1) with an arrow indicating the rotor.
Who created this diagram and when?
The diagram is credited 'Jrichker 01-05-2007'.

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