Gapping for spark Plugs

[catfisher81]

Does anyone know the proper gapping width for a 4.0 set of motorcraft spark plugs.

 

[section525]

I searched and found this:

http://www.explorerforum.com/forums/showthread.php?t=56907

There are other threads too with some good reading.

 

[catfisher81]

spark plug gapping

I think I will go with a .46 gap on all six plugs. thanks for the advice and help.:exp:

 

[TedJ]

The gap is also listed on the emissions compliance sticker (on the top of the rad cradle).

 

[YBCold]

i use .54 gap. i think the proper gap is printed on a decal in the engine compartment where the latch to the hood is. it shows the vacuum routing at the bottom it tells you the proper gap.

 

[$TheMoneyPit$]

.54 is what i always gap mine to my emission sticker says to and i found thats where the plugs perform the best

 

[catfisher81]

Gapped them at .048 all six and I am running pretty dag on smooth.
thank you
chris