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RX-8 LQ4 build

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

    Leave a comment:


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


    Leave a comment:


  • Kullman
    replied
    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.

    Leave a comment:


  • MHR1294
    replied
    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

    Leave a comment:


  • Master_Scythe
    replied
    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.

    Leave a comment:


  • EazyOnCars
    replied
    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!

    Leave a comment:


  • TheCaptain
    replied
    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

    Leave a comment:


  • EazyOnCars
    replied
    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.

    Leave a comment:


  • Kullman
    replied
    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...

    Leave a comment:


  • EazyOnCars
    replied

    Leave a comment:


  • EazyOnCars
    replied

    Leave a comment:


  • EazyOnCars
    replied

    Leave a comment:


  • EazyOnCars
    started a topic RX-8 LQ4 build

    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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