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Thread: fuel rails

  1. #1
    Supporting Member Turbo Mopar Contributor
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    fuel rails

    i want to run a return fuel rail system. i ordered one from obx and returned it, cheap and didn't fit properly. i ordered an adapter for the 420a fuel rail. too big!

    so, what did others use for fuel rails for their 2.4? if aftermarket, which vendor and rail? or did you mod the regular 2.0/2.4 rail by brazing/welding on AN fittings?
    89 Voyager LE, 2.5T2 - rest in peace
    87 Charger Shelby T2 (2.4 conversion in process)

  2. #2
    Supporting Member II Turbo Mopar Contributor A.J.'s Avatar
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    Re: fuel rails

    I bought the OBX and am happy with it. I ran into a problem with the pipe threads on one side. I buggered them up and couldn't get it to seal but got it figured out. What didn't you like about the OBX fuel rail?

  3. #3
    Supporting Member Turbo Mopar Contributor
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    Re: fuel rails

    the obx fuel rail i got looked like the one in the pic

    the little square things with the holes are the mounts. they slide in a groove on the rail. not only did they not fit very well they did not even come close to matching the mounting holes. i'm guessing i was sent the wrong one. which one in particular did you get? since i'm using a 420a head and intake that is what i ordered.
    89 Voyager LE, 2.5T2 - rest in peace
    87 Charger Shelby T2 (2.4 conversion in process)

  4. #4
    Visit www.boostbutton.com... Turbo Mopar Contributor ShelGame's Avatar
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    Re: fuel rails

    FWIW, a SOHC T1 rail will bolt up nicely to the 420a intake with a simple dog-leg bracket...
    https://db.tt/SV7ONZpQ
    Rob Lloyd
    '89 Daytona C/S

    2.5 T1 Auto
    13.24 @ 100.5mph
    NHRA #3728 AF/S

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  5. #5
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    Re: fuel rails

    I made my own fuel rail out of a 2.0 DOHC rail (since I'm using that intake). I made a brass plug for each end, drilled and tapped them 1/4" NPT, then brazed them in place. A couple of NPT to -AN adapters later and I'm in business. I haven't touched it since I installed it.
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  6. #6
    Supporting Member II Turbo Mopar Contributor A.J.'s Avatar
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    Re: fuel rails

    Quote Originally Posted by wowzer View Post
    the obx fuel rail i got looked like the one in the pic

    the little square things with the holes are the mounts. they slide in a groove on the rail. not only did they not fit very well they did not even come close to matching the mounting holes. i'm guessing i was sent the wrong one. which one in particular did you get? since i'm using a 420a head and intake that is what i ordered.
    I got the srt4 one that also works with the PT intake.

  7. #7
    Supporting Member Turbo Mopar Contributor
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    Re: fuel rails

    Quote Originally Posted by jonnymopar View Post
    I made my own fuel rail out of a 2.0 DOHC rail (since I'm using that intake). I made a brass plug for each end, drilled and tapped them 1/4" NPT, then brazed them in place. A couple of NPT to -AN adapters later and I'm in business. I haven't touched it since I installed it.
    i was hoping i could just buy something that worked vs having to tweak something. too lazy and didn't want to try brazing - it's been 30 years since i last brazed anything!!

    Quote Originally Posted by ShelGame View Post
    FWIW, a SOHC T1 rail will bolt up nicely to the 420a intake with a simple dog-leg bracket...
    i'll take a look. i've got a couple laying around.

    Quote Originally Posted by A.J. View Post
    I got the srt4 one that also works with the PT intake.
    i'm waiting for a response on another adapter. if that doesn't work i'll order in the srt4 one and see what it takes to make it fit.
    89 Voyager LE, 2.5T2 - rest in peace
    87 Charger Shelby T2 (2.4 conversion in process)

  8. #8
    Super Moderator Turbo Mopar Staff contraption22's Avatar
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    Re: fuel rails

    I had one from Black Dog, but sold it a few months back. Might be a one out there somewhere if you search for them.

    Brian Slowe made the one I am using now.
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
    Project Log:
    http://www.turbo-mopar.com/forums/showthread.php?69708-The-Contraption-2013-14&highlight=

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