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  • Mid-Engine Infiniti Concept

    It seems thereís always a compromise when building a Kit or replicar in the way of power options, accuracy to the real car and budget limits to name a few. Iím on my 2nd kit car now and again realize the reality of what it will take to make the car a great one. When looking for new ideas for a different donor chassis or brake and engine swaps there will usually be something that wonít work and itís too much of a stumbling block to make you go forward. After seeing Fugazziís Build Diary Iíve began to look more at the foreign cars for inspiration. I recently found a compelling combination in a common everyday car. For your consumption give you the Infiniti Q45, 1990-1996.
    Brief vehicle specs:
    =RWD 4 door sedan
    =V8 engine 278 HP (tuners believe this was the Ďpublishedí HP rating and actual is 300-305!)
    =Motor has 6-bolt main and is a good candidate for turbo charging.
    =292 ft lb torque
    =4 wheel disc ABS
    =0-60 mph 6.7 sec !

    If and when I build my 3rd car, I want it to have it all:.True V8 mid-engine layout like all supercars, great brakes and handling, reliability to drive anytime and affordable cost. Hereís my little plan for this monster of a car.
    -Pull the transversely mounted V8 from the front and move it to a mid engine layout where the rear seats were located in a semi-cradle frame of my own design.
    - Mate the V8 to an Audi A4 or A6 5 speed manual gearbox, (I can machine an adapter myself.) and make a cable shift mechanism.
    -Adapt stock rear axles to Audi Trans output flanges.
    -Move radiator/AC condenser to the side/rear like a Lamborghini/512TR
    -Extend electrical harness connectors to the rear to reach engine.
    -Run fuel and power lines from engine to front of car.
    -Re-locate fuel tank with stock fuel pump, Front engine compartment seems like the obvious place for tank.
    -Remove roof and 4 doors, B-pillar and add Rollbar and upper frame tubing to mate to new body.

    A good portion of the work be moving stock Infiniti components and extending connections, the car will operate as stock and retains all power accessories.

    These are the benefits of this build learned from my past experience:
    -No crazy wiring to figure out, like putting a Northstar or 3800 in a Fiero.
    -All steering, brakes, fuel pump and wheelbase are as stock, unchanged.
    -You have a V8, all the connections are already there, just move it.
    -Register and insure it as an Infiniti.
    -Used Infiniti Q45ís are chaep. Great running condition cars are selling in my area for as low as $1,500. This is a great engine according to all I have read.
    -Have you heard what these engines sound like with a tuned exhaust system? All 32 valves singing their melody? It really sounds like an exotic. Look on Youtube.

    I had to include some eye-candy for this thread, excuse my poor SketchUp skills, believe me my fabricating skills are much better, Vinny
    Attached Files
    Remember, there is always next year.

  • #2
    Here's a few more mock-ups, Please add your thoughts and ideas to the thread,
    Regards, Vinny
    Attached Files
    Remember, there is always next year.

    Comment


    • #3
      Cool idea man, Im going to drop some designs on that platform if you dont mind and see its proportion limits...
      With Canadian laws, I dont think we can import kit cars, but build it ourselves...specially building a Lambo A pillar roof cage, but I would be very interested in one if you went through with it when I have capital.

      Currently Im a fan of the Chrysler Intrepid for redesign ideas and future dreams with an engine location swap method using an LS1... I particularly like it for the already cab forward roof top.

      I recently made a thread for making a mid engine 300 ZX that I havent posted here
      TwinTurbo.NET: Nissan 300ZX forum - Dreamers corner, making a mid engine ZX

      A ZX with a Q45 https://www.youtube.com/watch?v=w3hLQtXRAqU
      Follow my designs on Facebook fan pages.:cool: [url]http://www.facebook.com/AutoArts[/url]

      Comment


      • #4
        ArashB, I've seen your design skills in the Fugazzi Thread and I hope to be as talented as you with design. I looked at the links you posted and saw the 300ZX with the V8 VH45DE swap, wow that car is fast ! Funny you mention the Dodge intrepid, I worked for Chrysler for 20 years and looked at that car many times wondering what could be done with it. I think I still have my intrepid/Diablo drawings! Yes, definitly jump in here, I saw so much potential, but don't know if I covered everything. The Infiniti chassis is a rather long wheelbase at 113 inches/287 cm. The Nissan R390 GT1 Supercar is also in mind, I think there's one in the whole world that's street driven. Here's a pic
        Attached Files
        Remember, there is always next year.

        Comment


        • #5
          Originally posted by TRcrazy View Post
          It seems there’s always a compromise when building a Kit or replicar in the way of power options, accuracy to the real car and budget limits to name a few. I’m on my 2nd kit car now and again realize the reality of what it will take to make the car a great one. When looking for new ideas for a different donor chassis or brake and engine swaps there will usually be something that won’t work and it’s too much of a stumbling block to make you go forward. After seeing Fugazzi’s Build Diary I’ve began to look more at the foreign cars for inspiration. I recently found a compelling combination in a common everyday car. For your consumption give you the Infiniti Q45, 1990-1996.
          Brief vehicle specs:
          =RWD 4 door sedan
          =V8 engine 278 HP (tuners believe this was the ‘published’ HP rating and actual is 300-305!)
          =Motor has 6-bolt main and is a good candidate for turbo charging.
          =292 ft lb torque
          =4 wheel disc ABS
          =0-60 mph 6.7 sec !

          If and when I build my 3rd car, I want it to have it all:.True V8 mid-engine layout like all supercars, great brakes and handling, reliability to drive anytime and affordable cost. Here’s my little plan for this monster of a car.
          -Pull the transversely mounted V8 from the front and move it to a mid engine layout where the rear seats were located in a semi-cradle frame of my own design.
          - Mate the V8 to an Audi A4 or A6 5 speed manual gearbox, (I can machine an adapter myself.) and make a cable shift mechanism.
          -Adapt stock rear axles to Audi Trans output flanges.
          -Move radiator/AC condenser to the side/rear like a Lamborghini/512TR
          -Extend electrical harness connectors to the rear to reach engine.
          -Run fuel and power lines from engine to front of car.
          -Re-locate fuel tank with stock fuel pump, Front engine compartment seems like the obvious place for tank.
          -Remove roof and 4 doors, B-pillar and add Rollbar and upper frame tubing to mate to new body.

          A good portion of the work be moving stock Infiniti components and extending connections, the car will operate as stock and retains all power accessories.

          These are the benefits of this build learned from my past experience:
          -No crazy wiring to figure out, like putting a Northstar or 3800 in a Fiero.
          -All steering, brakes, fuel pump and wheelbase are as stock, unchanged.
          -You have a V8, all the connections are already there, just move it.
          -Register and insure it as an Infiniti.
          -Used Infiniti Q45’s are chaep. Great running condition cars are selling in my area for as low as $1,500. This is a great engine according to all I have read.
          -Have you heard what these engines sound like with a tuned exhaust system? All 32 valves singing their melody? It really sounds like an exotic. Look on Youtube.

          I had to include some eye-candy for this thread, excuse my poor SketchUp skills, believe me my fabricating skills are much better, Vinny
          Im right there with you man, Iv been planing a space frame supercar using lexus sc400. cars are super cheap, all aluminum v8, front and rear k members look just like the ones you have pictured. Aluminum suspension, 12" brakes stock. You would use every component of the donor down to the wiring and AC. I would sell a body, a frame that everything bolts to. all you would have to buy would be the donor, tranny and adapter.

          Comment


          • #6
            Hey Matt, good to see you comment on this as your build inspired me to look further at these cars for donors. All the features you mentioned above are already acceptable for a fast car, This is in the style of Factory Five's first Cobra replica that used well over half of the donor Mustang's components. Actually, I would drive it as a rear engine 4-door sedan for a while just to see people's reactions! For a shifter I think this A6 mechanism would be a good start. Vinny
            Attached Files
            Remember, there is always next year.

            Comment


            • #7
              I didn't research far enough to realize that the Q45 uses a rear suspension cradle Matt. This actually makes for less fabricating because there is already a cross member there to modify / build on. This is getting better! Vinny
              Attached Files
              Remember, there is always next year.

              Comment


              • #8
                Well being its sunday, I have some time to post more ideas on this car. I've always been a fan of GT1 class race cars especially the Mercedes CLK GTR. Borowing from their rear suspension design I drew up a sketch of the rear cradle V2.
                Attached Files
                Remember, there is always next year.

                Comment


                • #9
                  Click image for larger version

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ID:	373877 I know right! check the lexus stuff

                  Comment


                  • #10
                    Click image for larger version

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ID:	373878 All aluminum xmember. there is so much treasure to be found in these cars. millions of dollars of development and now you can get all of it for a couple of grand.

                    Comment


                    • #11
                      Awesome idea! I think fugazzi idea of using a sc300 or sc400 is better than a q45 though because its already a 2 door car, shorter wheelbase. Won't need to stretch or shorten chassis

                      the q45 wheelbase seems too long except for certain bodies like that long race car?

                      Comment


                      • #12
                        Originally posted by Fauxrrari View Post
                        Awesome idea! I think fugazzi idea of using a sc300 or sc400 is better than a q45 though because its already a 2 door car, shorter wheelbase. Won't need to stretch or shorten chassis

                        the q45 wheelbase seems too long except for certain bodies like that long race car?
                        Naaa, iv been over this a hundred times in my head, the cab is to far back on the sc400 to fake the look like im doin on the g35. Now, tcrazy, if you are set on the 4door conversion, look into the lexus ls400. It uses the same suspension and motor as the coupe. Also the aftermarket support for the lexus 1uz motor is way better than the infiniti and they are priced the same.

                        Comment


                        • #13
                          Yeah I saw that, I started with a LS400 but got caught up the Infiniti (Nissan) HP rating of 278.
                          and its heavy duty lower end suitable to adding a turbo. They're dirt cheap cause they are soooo ugly !
                          ,
                          ,
                          From the Nico.com Nissan forum website:
                          '' 1990 Infiniti Q45: The 1990 Q45 is the most sought after by performance enthusiasts for having the tightest and most responsive steering, quickest shifting, and an actual power rating of 300-305hp. Because of a “gentleman’s agreement” among Japanese manufacturers, vehicles above a certain horsepower rating were not exported. Infiniti advertised 278hp, lower than actual output. ''
                          ,
                          ,
                          Both car makers were competing side by side for the same market back then. So this type of build can go either way, Lexus (Toyota) or Infiniti. There's a guy building a Ford GT40 relica on the GT40 forums, he's using the Toyota V8 running through a Audi/porshes 6 speed. Really cool build.

                          The Lexus is shorter by 3 inches. 110 vs 113''
                          After stripping the car of all unneeded baggage I think its possible to get the "lb per HP ratio" down to under 10, which is where you wanna be.
                          Remember, there is always next year.

                          Comment


                          • #14
                            I've been working on this concept further and mocked up a sketch of a supercar profile. I didn't relize the gas tank is in the trunk, Sweet ! that actually makes moving it easier when relocating it in the car, (Front? can anyone say fiery death!) In the drawing the hood can be slammed low as there is no longer a radiator, motor etc up there. The roof height is approx 47'', a slim 3'' taller than the new GT40. Rear window glass allows for viewing the V8 for all the non-believers. Also shown are drawings for the rollcage and chassis ladder frame supports. New lower roof height wasn't considered when I drew the rollcage. Thanks , Vinny
                            Attached Files
                            Last edited by TRcrazy; 12-12-2012, 07:55 PM.
                            Remember, there is always next year.

                            Comment


                            • #15
                              A few more drawings based on the supercar outline above. Vinny
                              Attached Files
                              Remember, there is always next year.

                              Comment

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