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RX-8 LQ4 build

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  • RX-8 LQ4 build

    Here is my adventure building my Flooded (Hurricane Harvey) RX-8 with a 6.0l V8!
    IMG_20200120_164819.jpg
    Last edited by EazyOnCars; 17-07-2020, 06:13 AM.

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        • #5
          Mounting a engine so big and heavy, you will ruin the weight distribution of the RX-8.

          It's central engine car which excels on turns, and you will transform it into a dragster...

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          • #6
            Originally posted by Kullman View Post
            Mounting a engine so big and heavy, you will ruin the weight distribution of the RX-8.

            It's central engine car which excels on turns, and you will transform it into a dragster...
            I'll try to keep that in mind while I'm daily driving it

            Joking aside this is just a budget build combining a broken car with a broken van, not quite so serious.

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            • #7
              Make sure you sort the electrics to. Being a flood car it's gonna have lots of moisture in all kinds of electrical bits. It might not give problems now, but moisture inside a plug can take very long to dry and cause problems months after you think the car has dried out

              Also, I like rotary's and I like RX8's, so bit of a shame to shove a V8 in it to be honest with you

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              • #8
                Originally posted by TheCaptain View Post
                Make sure you sort the electrics to. Being a flood car it's gonna have lots of moisture in all kinds of electrical bits. It might not give problems now, but moisture inside a plug can take very long to dry and cause problems months after you think the car has dried out

                Also, I like rotary's and I like RX8's, so bit of a shame to shove a V8 in it to be honest with you
                I'll be redoing most of the wiring, going to take each component one by one, but its been promising thus far.

                I hear you on the Rotary front for sure. Honestly this thing would have been crushed if I had not scooped it up and there is no way I can justify a rotary build. The amount of work that needs done to the car and amount of budget I have to throw at my second project car is very low. Cheers to keeping the chassis alive mate!

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                • #9
                  Originally posted by TheCaptain View Post
                  Also, I like rotary's and I like RX8's, so bit of a shame to shove a V8 in it to be honest with you
                  That big? It is a little.
                  When people put a modern LS series in them though; that's ideal.

                  -Uses Less fuel.
                  -Isn't significantly heavier
                  -Still Revvs freely.
                  -Adds torque that rotarys lack.

                  There's really no downsides.
                  Rotarys are cool IF and only IF you intend to keep them at that required 75% RPM range to be efficient.
                  The engine is damn cool for drag, or even track or touge work.
                  But it's just a really stupid idea for a street car, the rev range required is far greater than the efficiency band.

                  I'm hoping my next car is an LS swapped RX8.
                  There's one for sale in my state; but it's about 13 hours drive away, so I need to put a day into a drive and go have a look at it.

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                  • #10
                    Originally posted by Master_Scythe View Post

                    That big? It is a little.
                    When people put a modern LS series in them though; that's ideal.

                    -Uses Less fuel.
                    -Isn't significantly heavier
                    -Still Revvs freely.
                    -Adds torque that rotarys lack.

                    There's really no downsides.
                    Rotarys are cool IF and only IF you intend to keep them at that required 75% RPM range to be efficient.
                    The engine is damn cool for drag, or even track or touge work.
                    But it's just a really stupid idea for a street car, the rev range required is far greater than the efficiency band.

                    I'm hoping my next car is an LS swapped RX8.
                    There's one for sale in my state; but it's about 13 hours drive away, so I need to put a day into a drive and go have a look at it.
                    Aksheually those are only problems with Mazda style rotaries i.e no recovery and oil cooled rotors and a non optimal design - probably for cost reasons.

                    I'd use a rotary for street, they run so smoth

                    I've got a friend who swapped his RX7 engine for a K20 turbo, Jesus it was fast.

                    V8 one will be awesome, it's an available engine too
                    I stripped my car out so much it now has 49/49 weight distribution.

                    Project Diesel Tune:

                    https://forums.mightycarmods.com/for...ct-diesel-tune

                    My new Daily HA36S Alto Works

                    Martin's Kei to success

                    https://forums.mightycarmods.com/for...uki-alto-works

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                    • #11
                      Originally posted by Master_Scythe View Post

                      That big? It is a little.
                      When people put a modern LS series in them though; that's ideal.

                      -Uses Less fuel.
                      -Isn't significantly heavier
                      -Still Revvs freely.
                      -Adds torque that rotarys lack.

                      There's really no downsides.
                      Rotarys are cool IF and only IF you intend to keep them at that required 75% RPM range to be efficient.
                      The engine is damn cool for drag, or even track or touge work.
                      But it's just a really stupid idea for a street car, the rev range required is far greater than the efficiency band.

                      I'm hoping my next car is an LS swapped RX8.
                      There's one for sale in my state; but it's about 13 hours drive away, so I need to put a day into a drive and go have a look at it.
                      There some downsides... the engine is bigger and goes over the front wheels, instead of behind them, so you are transforming a central engine car into a front engine car.

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                      • #12
                        Not by too much; 75% is still Behind.
                        Besides, thats only a con if you don't enjoy hanging the tail out :P


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                        • #13
                          This is a very cool engine swap, will have to subscribe and see how you get on.

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