Mondial/308 EFI Conversion? | FerrariChat

Mondial/308 EFI Conversion?

Discussion in 'Technical Q&A' started by 85MondialQV, Apr 16, 2021.

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  1. 85MondialQV

    85MondialQV Karting

    Feb 20, 2021
    98
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    Matt Drake
    #1 85MondialQV, Apr 16, 2021
    I got an 85 Mondial and really tired of the Bosch system. I know there are tons of things on the internet talking about EFI conversations. I need help getting starting or find a full build thread. I’ve heard of people doing Toyota Tundra coil on plug with throttle by wire. Or Nick Forza’s conversion. I like the idea of Tundra coil on plug for the sake of parts. Any ideas or where to even start would help out a lot. Thanks!!

    Reasons for converting is reliability. I know once the Bosch is tuned well there run good. But I want the power of EFI, reliability, simplicity, parts, tuning, power increase with getting better mpg. I like to take long long drives.


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  2. WaltP

    WaltP Formula 3

    Nov 1, 2003
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    Walt P
    #2 WaltP, Apr 16, 2021
    I have absolutely no idea if this will help you or not, hopefully there is something in there that can help you, it's a long read.
    Good luck!
    F355 coil-on-plug conversion
    Discussion in 'Technical Q&A' started by jeffdavison, Oct 23, 2004.
     
  3. 85MondialQV

    85MondialQV Karting

    Feb 20, 2021
    98
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    Matt Drake
    #3 85MondialQV, Apr 16, 2021
    No results


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  4. 85MondialQV

    85MondialQV Karting

    Feb 20, 2021
    98
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    Matt Drake
    #4 85MondialQV, Apr 16, 2021
    Found it. I’ll read through it. Not sure how much it will help but worth the read. Thanks!!


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  5. andy2175m4@yahoo.com

    [email protected] Formula Junior

    Dec 7, 2008
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    Andy Rein
    #5 [email protected], Mar 1, 2023
    are you still working on a Mondial EFI conversion ? I am still working on a 308 GTSi to Holley EFI conversion
     
  6. Scott98

    Scott98 F1 Rookie
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    #6 Scott98, Mar 1, 2023
    Check the Car Wizard’s channel on YouTube. He did something similar with his 308. Has several videos on it.
     
  7. 85MondialQV

    85MondialQV Karting

    Feb 20, 2021
    98
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    Matt Drake
    #7 85MondialQV, Mar 1, 2023
    I’ll update tonight. It’s awesome!!!


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  8. raemin

    raemin Formula 3

    Jan 16, 2007
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    #8 raemin, Mar 1, 2023
    K-jet works quite well when properly dialed, it's the conservative camshaft that makes the engine less revy. If it were not for polution concern, the k-jet could really make it do with more overlap (I've added 4° on my 400i). So unless you upgrade the timing, the EFI upgrade will not yield significant benefits.

    To answer your question, Kjet Killers (https://kjetkillers.pl/en_US/index) could be your friends: their mercedes v8 kit would be a good starting point for the Ferrari.
     
  9. RayJohns

    RayJohns F1 Veteran
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    May 21, 2006
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    #9 RayJohns, Mar 1, 2023
    Nothing makes you miss a carbureted motor like tuning EFI :)

    Ray
     
  10. 85MondialQV

    85MondialQV Karting

    Feb 20, 2021
    98
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    Matt Drake
    #10 85MondialQV, Mar 1, 2023
    Ok here is build list. I called Aaron at ATS Racing and he built me a full EFI kit for my Mondial QV. Told him my issue and he made it happen. Sent him a few parts to retro fit. List was intake plenum for injectors and fuel rails, cam cover, crank pulley, coolant neck, and throttle body for TPS. It was the best thing I ever did. He built the harness and I’m using EMU Classic ECU. He sent me a base tune and I drove the car data logging everything on my labtop. Sent him the logs via email then he sent me back a perfect tune. Best mod I ever did on any vehicle. Aarons the best around. He’s builts and tunes EFI kits for Ferraris and others. He has a 600hp Turbo 308s, Mondials, MR2s ect ect. Now my QV runs like a champ and loves high RPMs. And it’s all run off wideband O2 sensors and self tunes on fly. My father has a carbed 308 and it has better throttle response than his and it’s night and day compared to the K-Jet system. Hit up Aaron at ATS Racing out of Texas. You won’t regret it!!

    Here he is and his 308.




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  11. GrigioGuy

    GrigioGuy Splenda Daddy
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    #11 GrigioGuy, Mar 1, 2023
    Another ++++ for Aaron. My car is over there right now for other things, and if I had the cash I'd get mine hotrodded too.
     

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