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    H.O Intake Swap

    Hey. First post on grandmarq.net Had the site under favorites for a long time but never joined till now. Just wanted to get some insight on swapping a stock 5.0 upper and lower intake for a H.O intake. Is it possible? Can you turn the Mustang intake around to face the direction of the stock one? Any info is helpful. Thanks
    sigpicVic Videos Here http://www.grandmarq.net/vb/showthre...676#post243676
    Vic's Reader's Rides Page http://www.grandmarq.net/vb/showthread.php?t=16917
    Vic's Cardomain page http://www.cardomain.com/ride/2532949
    1975 Chevy C-10 Cardomain http://www.cardomain.com/ride/3371894

    #2
    Yes, the upper can be rotated. The Stock EGR spacer needs to be bored out to match the intake and HO throttle body. The throttle body linkage on the stock vic TB will need to be swapped onto the HO TB. There is a ton of info about the swaps, it's one of the most common upgrades
    Builder/Owner of Badass Panther Wagons

    Busy maintaining a fleet of Fords

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      #3
      The HO and LOPO lower intake are the same so you don't need to go through the trouble of replacing the lower intake. If your upper is ported there are aftermarket lower intakes, but if you are going to pull the lower intake for that, you should do the whole HO conversion. It involves swapping to E7 heads, HO cam, HO ecm, HO govenor, along with both intakes. It will bring your car to around 180-200hp to the wheels, possibly more depending on other mods such as upgraded gears, electric fans, shift kit, and a few other mods and the condition of the engine/tranny.

      The fittings under the upper intake need to be reversed also. Replace any old vacuum lines under the intake and if you have a bad injector(s) they can be easily removed also. I replaced my valve cover gaskets when I did my HO upper/tb swap since you can't get to the bolts on the passenger side valve cover with the upper on.

      The HO upper is a great upgrade though, gives the motor a nice boost in low end torque/overall performance and my gas mileage has improved also.
      Current rides - 1991 Ford Thunderbird 3.8 v6 (gas saver/DD) - New Heads/Headgaskets with ARP studs, Air Silencer Delete, 70mm MAF, Plasti-dipped Matte Black with a Silver Metalflake Overlay, Muffler Delete, some LED's, 30.233 MPG for high MPG average!
      2006 Jeep Wrangler 4WD (fun vehicle/backup DD) - 4.0/6spd - too many mods to list.

      Associated Panthers:
      Father's 1994 Ford Crown Victoria - Stock, 45,000 miles.
      Sold in 2007 - 1987 Mercury Grand Marquis LS "Grandpa Special" 2 door.
      http://www.cardomain.com/ride/2128327

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        #4
        Thanks for the response. I found out info on these swaps before, but could never find if you could just simply turn the intake around. Kinda knew what else I would have to change with it. How much is the Ford Racing intake spacer?
        sigpicVic Videos Here http://www.grandmarq.net/vb/showthre...676#post243676
        Vic's Reader's Rides Page http://www.grandmarq.net/vb/showthread.php?t=16917
        Vic's Cardomain page http://www.cardomain.com/ride/2532949
        1975 Chevy C-10 Cardomain http://www.cardomain.com/ride/3371894

        Comment


          #5
          Its about $50 on the summit racing website. I'm using the 1 inch Ford Racing intake spacer on my car and it works pretty well.
          Current rides - 1991 Ford Thunderbird 3.8 v6 (gas saver/DD) - New Heads/Headgaskets with ARP studs, Air Silencer Delete, 70mm MAF, Plasti-dipped Matte Black with a Silver Metalflake Overlay, Muffler Delete, some LED's, 30.233 MPG for high MPG average!
          2006 Jeep Wrangler 4WD (fun vehicle/backup DD) - 4.0/6spd - too many mods to list.

          Associated Panthers:
          Father's 1994 Ford Crown Victoria - Stock, 45,000 miles.
          Sold in 2007 - 1987 Mercury Grand Marquis LS "Grandpa Special" 2 door.
          http://www.cardomain.com/ride/2128327

          Comment


            #6
            You can't turn a 94-95 HO upper around because of the bend in the intkae. Check out this thread: http://www.grandmarq.net/vb/showthre...t=upper+intake
            88 Town Car (wrecked, for sale)
            Walker OEM duals with muffler deletes

            Comment


              #7
              thanks for posting that link 88vic. great info on that thread by blaze.
              sigpicVic Videos Here http://www.grandmarq.net/vb/showthre...676#post243676
              Vic's Reader's Rides Page http://www.grandmarq.net/vb/showthread.php?t=16917
              Vic's Cardomain page http://www.cardomain.com/ride/2532949
              1975 Chevy C-10 Cardomain http://www.cardomain.com/ride/3371894

              Comment


                #8
                Originally posted by mrltd
                Yes, the upper can be rotated. The Stock EGR spacer needs to be bored out to match the intake and HO throttle body. The throttle body linkage on the stock vic TB will need to be swapped onto the HO TB. There is a ton of info about the swaps, it's one of the most common upgrades
                Or, alternatively, you can use the stock HO throttle body and EGR spacer, and hook up longer cables to them - for the gas pedal and cruise control use Mark VII cables, for the tranny use a cable from a 3.8 T-bird. You can use a Mark VII cable for the tranny too, but it's real short and has to make a nasty sharp bend right near the TB in order to even reach the tranny - I ran that setup for a while, it works but it's far from great. The 3.8 T-bird cable is much longer, makes for some nice wide and smooth loops, and works like a charm.

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