Theo,
YES, they are.
I'm not sure what thread they are now, BUT,
Ford sells plugs for them. The plugs have inner threads too so
you can still mount things in them. I think I have some Ford plugs
and some hardware store hex head plugs in mine as I recall.
Gary
> Hi all,
>
> Can anyone tell me if the EGR ports on the back of 5.0 heads are threaded
> from the factory? If not, what is the right size to tap them? I know that
> Trick Flow heads use 5/8-11 plugs, but that doesn't necessarily apply to the
> E7TE heads.
|