.40
spark plug gap for 5.0 liter engine is 0.054 inches
In the cylinder head .
firing order for 2000 mercury mountaineer with a 4.0, v-6 engine
At the front of the motor attached to the engine cradle.
3
under the head liner you will have to pull it down to get the motor
0.060 Inch
The 1999 Mercury Tracer was the last model year in North America ( according to one of Fords websites , .054 inch is the spark plug gap on the 1999 Mercury Tracer )
EATC
For a 2000 model: The Spark Plug (1) is located in the rear of the engine (opposite the pull start), beneath the gas tank. There is an access hatch. It can also be seen apon removal of the upper engine housing cover.
No. It is not an interference motor, and it should not be harmed by the belt breaking.
Mine is a 2000 model and it has an NGK R BPR7HS10