you will need to remove a fewthings under the plenum for it to come off
there is the fuel hard line attached to the under side of the front of plenum
the aac and vac hoses, there is also 3 bolts on the under side of the acc chamber
along with that there is the 2 hard lines that the brake and clucth booster conect to
you will need to take these off to get the plenum off
best this to have is a 1/4 drive set and some ratchet spanners
also pull the fuel filter braket off and push the fuel filte rout of the way for more room
garb a copy of the workshop manual, it will help you