1997 Ford Thunderbird Owner Guide 1st Printing - Page 247
1997 Ford Thunderbird Manual
Page 247 highlights
Capacities and Specifications Refill Capacities, Motorcraft Parts, and Lubricant Specifications Motorcraft Parts If a spark plug is removed for examination, it must be reinstalled in the same cylinder. For 3.8L engines: Cylinders #1, #2, #3 have an EG suffix. Cylinders #4, #5, #6 have an E suffix. For 4.6L (2V) engines: Cylinders #1, #2, #3, #4 have a PG suffix. Cylinders #5, #6, #7, #8 have a P suffix. If a spark plug needs to be replaced, use only spark plugs with the service number suffix letter as shown on the engine decal. 247
247
Capacities and
Specifications
Refill Capacities, Motorcraft Parts,
and Lubricant Specifications
Motorcraft Parts
If a spark plug is removed for examination, it
must be reinstalled in the same cylinder.
For 3.8L engines:
Cylinders #1, #2, #3 have an EG suffix.
Cylinders #4, #5, #6 have an E suffix.
For 4.6L (2V) engines:
Cylinders #1, #2, #3, #4 have a PG suffix.
Cylinders #5, #6, #7, #8 have a P suffix.
If a spark plug needs to be replaced, use only
spark plugs with the service number suffix letter
as shown on the engine decal.