Reply to "Spark plugs ??"

panteradougMember

What plug you need depends on what heads you are using.
If you have stock ford 4v iron heads they shoud use Motorcraft AF32's. If you insist on a resisitor plug then it's an AF-32R.
You gaps also vary according to your ignition.
If you are using a points didtributor I believe the gap is .018 (it's so long ago I might be wrong).
If you are running a solid state Motorcraft or equivelent then the gap is .032".

Other aftermarket heads use different plug types.

3/4/078:26 AM

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