Hi all.
I am in the process of swapping my plenum on my 3.9 hotwire for a 4.0 plenum from i believe a late 90's P38.
The reason is i have 2 brand new P38 plenums sitting in my garage and my 3.9 one was fooked.
The issue is because the 4.0 versions are not hotwire they dont have the...