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The Nissan Zeod from the Micra?

Posted by yldouright, Jul 9, 2019

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  1. yldouright

    yldouright Probationary Member

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    For those of you that know the Zeod, it got ~400hp from an 88lb. 3 cylinder block. It occurred to me that their HR12Dxx line of engines might be suited to building a 400whp diesel from it. Why would it work? The engine is well balanced and can rev to 8800rpm without blowing apart. Its stock compression is 13:1, it's direct injected and it has VVT with a good ECU.
     
  2. rabenne

    rabenne Proven Member

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    Cant wait to see it in your DSM...
     

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  3. yldouright

    yldouright Probationary Member

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    @rabenne
    We're quite a long way from there at this point. I posted this to see if anyone else saw the potential like I do.
     
  4. rabenne

    rabenne Proven Member

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    yea, I can imagine. The engine has potential. Is it a good swap option? That remains to be seen. Cant wait to see what you do! I am guessing the price tag will be prohibitive.
     

    Street Build 77  12

    1997 Mitsubishi Eclipse GST
    fwd · automatic · 2G DSM

    Street Build 137  5

    1996 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM

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  5. yldouright

    yldouright Probationary Member

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    There are going to be some pricey items (>100lb/hr, wide dispersion injectors, 60gallon/hr, 60psi fuel pump, etc.) but considering what you'll end up with price/performance wise, I'd say it's a bargain. The engine weight savings alone will make a mundane car an 8lb/whp performer
     
  6. rabenne

    rabenne Proven Member

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    What do you expect to pay for one of these engines? How are you going to source it/who is going to sell you one?

    You can get >8 hp/lb out of a stock long block, so you must be getting this engine really cheap, right?
     

    Street Build 77  12

    1997 Mitsubishi Eclipse GST
    fwd · automatic · 2G DSM

    Street Build 137  5

    1996 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM

    Street Build 7K  9

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
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  7. yldouright

    yldouright Probationary Member

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    If you look up the HR12xx engines, you'll understand how cheap.
     
  8. motomattx

    motomattx Proven Member

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    If its aluminum I would say forget it, the cylinder pressures alone would take it out.
     

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  9. rabenne

    rabenne Proven Member

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    Racine, Wisconsin
    Please share a link of one for sale. I still don't see it...
     

    Street Build 77  12

    1997 Mitsubishi Eclipse GST
    fwd · automatic · 2G DSM

    Street Build 137  5

    1996 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM

    Street Build 7K  9

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
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  10. rabenne

    rabenne Proven Member

    898
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    Joined Apr 21, 2006
    Racine, Wisconsin
    HR12DDT makes all of 114 HP... I am still missing something...
     

    Street Build 77  12

    1997 Mitsubishi Eclipse GST
    fwd · automatic · 2G DSM

    Street Build 137  5

    1996 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM

    Street Build 7K  9

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
    Loading...
  11. yldouright

    yldouright Probationary Member

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    Joined Dec 27, 2018
    New York, New York
    @motomattx
    I'm looking at that now and you're right. The net pressure ratio is going to have to stay well under 3. Any hint of flaw or weak spot in the metal and its kapow! It looks like 400whp is not attainable but 360 looks doable. The block does not seem to be the problem, it's the head.

    @rabenne
    Yes, I think you are. The ECU mapping and VVT can be optimized for diesel fuel to make the power. I was basing my numbers on the high VE and an expected 3.3 net P.R. Lots of potential here for those with some patience to study.
     
  12. rabenne

    rabenne Proven Member

    898
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    Joined Apr 21, 2006
    Racine, Wisconsin
    Still missing it... You have done/said nothing to make me believe this would be a good idea. Yes the engine is impressive (when tuned by Nismo engineers), but you probably wont have access to their notes... The 1.2L from the Micra is a long, long way from being a DIG-T R engine. Good luck :thumb:
     

    Street Build 77  12

    1997 Mitsubishi Eclipse GST
    fwd · automatic · 2G DSM

    Street Build 137  5

    1996 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM

    Street Build 7K  9

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
    Loading...

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