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My 1981 E150,4.9,stick,is a little doggy.It is a up to 4000 foot spec truck,(according to the underhood sticker/I believe original).I have seen a control module,for high altitude,(with an atmospheric pressure sensing vaccum curve),in a Ford publication.
I would like to know,what were the differences,for a 5200 foot above truck with my setup,and the part numbers, so I can search for all the stuff.I want to keep it all stock.
Can anyone help,with the items required,and the part numbers?
Thank You, in advance. Mark