Hey guys i am goin to tchange the spark plugs in my 87 mustang lx 5.0 is stock no mods except a reabuilt trany fully tricke dout aod,um well i cant find the spark plug gap number on the engine bay the previous owner mos to ftaken it out or fell off with time any one knows the gap for these cars it has no mass flow sensor fuelinjected

 

Call autozone, tell them you need plugs then conviently ask what the gap is.

 

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Bone stock I would say .50-.55... should be fine....

 

+1

 

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