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Injector bung placement on standard 2lt Inlet

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2lt_Scort
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2012/03/20 20:51:37 (permalink)
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Injector bung placement on standard 2lt Inlet

G'Day,
 
Just wondering peoples thoughts of the two manifolds pictured.
One has injectors shooting in from the side, not that close to the head.

Second one has them shooting directing down into manifold very close to head.

After opinions on what would be most efficient and why?
 
Thanks,
Rhys
 
 

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#1


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    sundowner
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/20 21:34:30 (permalink)
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    i cant answer this but i can say the exhaust side looks better


    #2
    RS 2000
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/20 22:00:53 (permalink)
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    Second pic is the better setup,although not ideal injector angle it will still work ok.also go for a single nozzle injector type.I have setup a few with same injector angles and it has worked fine.
    It looks like you have been busy.....Might have to have a look soon
    post edited by RS 2000 - 2012/03/20 22:12:21
    #3

    sundowner
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/21 15:38:26 (permalink)
    -1 (1)
    RS 2000

    Second pic is the better setup,although not ideal injector angle it will still work ok.also go for a single nozzle injector type.I have setup a few with same injector angles and it has worked fine.
    It looks like you have been busy.....Might have to have a look soon

     
    do you think the pinto efi manifold would be better over these mate?


    #4
    joeyjonsey
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/21 17:08:20 (permalink)
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    interesting , have you thought of the ea falcon tbi ?
    post edited by joeyjonsey - 2012/03/21 17:11:34
    #5
    2lt_Scort
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/21 22:41:32 (permalink)
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    Thanks for the responses.
    Davor,
    I was leaning towards that one also.
    Now to see if I can adapt the fuel rail from first pic to the second.
    I've not been as busy as I'd like, just dummy fitting before engine comes out. I'll organise something soon ...maybe a working bee 
     
    Glenn,
    I do have a Sierra Manifold which I can resort to if I need to. Just want to try something different, plus the standard T/B inlet has a smaller bore than that of the above setups.
     
    Std manifold is supposed to flow well too.
     
    Joey,
    I hadn't considered the EA Falcon TBi in this instance as I already had this gear. What are the throat diameters in the Falcon T/B?
     
    Cheers,
    Rhys
    #6

    joeyjonsey
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/22 12:01:21 (permalink)
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    from memory 2 x 34mm , good to see something different keep us updated
    #7
    Wozzah
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/22 15:58:20 (permalink)
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    Option 2, and the angle is fine.  Spraying it in at this angle atomises the fuel better.
     
    Cheers
    Woz

    Mk1 RS2000 replica (IP hillclimb car) fitted with Ford Laser 1.8 DOHC (BP) Cossy cams, Webers, 230hp
    EB XR8 5sp, heads, cam, extractors.
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    #8
    2lt_Scort
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/22 20:39:00 (permalink)
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    Cheers Woz
    #9
    2lt_Scort
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/22 20:43:57 (permalink)
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    Bit more info:
     
    Option 1 has dual 50mm throats
    Option 2 has dual 44mm throats
     
    Option twos throttle body in more detail:
    No Manufacturer markings, I don't know where its from or what it's off.




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    #10
    Wozzah
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/22 20:55:07 (permalink)
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    Option 2, twin 44mm is plenty big enough
     
    Woz

    Mk1 RS2000 replica (IP hillclimb car) fitted with Ford Laser 1.8 DOHC (BP) Cossy cams, Webers, 230hp
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    #11
    RS 2000
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    Re:Injector bung placement on standard 2lt Inlet 2012/03/23 00:01:24 (permalink)
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    Twin 44mm t/b will be big enough. interesting there appears to be provision for couple of injectors.
    #12
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