passenger side of engine , front cylinder
sparkplug placement for 97 f150 4.6
With a Spark plug gap tool :)
0.060in
Ford V6 firewall 3 - 6 2 - 5 1 - 4 front ===================================== Ford V8 firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
By taking the spark plug wire off, and then using a spark plug socket with a ratchet and extension. It's not rocket science.
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 )
in the block...
.050
45
.060
with a spark plug #5224 the gap setting is .040
0.51