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Thread: EFI with Peugeot 604 manifold (fuel only)

  1. #11
    Member
    Join Date:  Nov 2020

    Location:  Boston

    Posts:    35

    EFI parts started arriving. Fuel injectors and fuel rails from DeLorean Industries. These injectors fit on the stock k-jet injectors bungs. That's a huge advantage. Now, I have to concentrate in adapting the throttle body to the intake manifold. The throttle body (Jeep 4.0 6cyl) has the IAC and the TPS.
    jeep 4.0 TB.jpg
    thumbnail_IMG_6339.jpg
    Last edited by Tom_hd02; 05-17-2021 at 09:59 PM.

  2. #12
    LS Swapper Josh's Avatar
    Join Date:  Mar 2013

    Location:  SK, Canada

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    i have flat adapter plates to do this, but not an elbow.
    Where did you get the idea to run a jeep TB? coincidence or read joes blog? I ran one on my 3.0 many years back and it worked very well.

    Supercharged 5.3L LS4 + Porsche 6spd
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  3. #13
    Member
    Join Date:  Nov 2020

    Location:  Boston

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    I read Joes blog and consulted with him. BTW, excellent write up on his 3.0 EFI swap.
    I thought about using a throttle body from a mid 2000s Ford Taurus 3.0 V6, but the IAC valve installation would require extra fabrication. The Jeep IAC valve is already attached to the TB unit.

  4. #14
    Member
    Join Date:  Nov 2020

    Location:  Boston

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    I'm trying to figure out how/where to install the coolant temp sensor (CLT). Many people removed the TTS and tap the adapter to 3/8" NPT.
    Is the green vacuum switch (driver side of Y coolant pipe) 3/8" NPT? Or the other sensor opposite to it?
    vacuum switch.jpg

  5. #15
    '82 T3 FABombjoy's Avatar
    Join Date:  May 2011

    Location:  Lansing, MI

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    My VIN:    10270

    Vacuum switch has the same threading. Unscrew & replace.
    Luke S :: 10270 :: 82 Grey 5-Speed :: Single Watercooled T3 .60/.48 :: Borla Exhaust :: MSD Ignition :: MS3X Fully SFI Odd-fire EFI :: DevilsOwn Methanol Injection

  6. #16
    Senior Member powerline84's Avatar
    Join Date:  Mar 2015

    Location:  TN

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    That's what I did

  7. #17
    Member
    Join Date:  Nov 2020

    Location:  Boston

    Posts:    35

    Perfect. That makes things easier. I will leave the TTS in place and I'll remove the vacuum switch and install the CLT sensor.
    A local shop finished the throttle body-to-manifold adapter. I used a Jeep throttle body spacer, 2" aluminum elbow, and a Holley carburetor spacer. It came out really nice. All I have to do is remove the carburetor and install the TB adapter. I will still have the ability to switch back to a carburetor if I ever have to.
    IMG_6401.jpgIMG_6400.jpgIMG_6403.jpgIMG_6404.jpgIMG_6407.jpg
    Last edited by Tom_hd02; 05-19-2021 at 10:47 PM.

  8. #18
    LS Swapper Josh's Avatar
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    I dont think those flanges are thick enough. LOL

    Supercharged 5.3L LS4 + Porsche 6spd
    LS Swap Parts:
    http://lsdelorean.com

  9. #19
    Senior Member powerline84's Avatar
    Join Date:  Mar 2015

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    Built for a tank

  10. #20
    Member
    Join Date:  Nov 2020

    Location:  Boston

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    Very thick indeed. I was thinking of shaving off at least 1/2 inch on each end.

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