Injectors Misplaced
01-27-06, 06:45 PM
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Injectors Misplaced
Hey Guys, long time no post....
long story short....
i got 720cc injectors installed and ever since my car hasnt been running right at all, i drive a 1989 RHD RX7 GTX and i remember reading somewhere that the fuel rails are different from a JDM motor to that of a USDM motor, i'm not sure exactly what was the different, i believe they were swapped in places or, something?...
i'm concern is that the 720cc injectors may have been installed into the primary fuel rail and thus causing most of my problems, if i remember correctly i can see the injectors near the top of the engine and they are blue, or a blue color, most have different colors from what i understand but they are blue, the most detailed explination i can give is where the upper intake manifold is located, where it looks like an upside-down "U", the injectors that are shown in that crevace have light blue tops, i just double checked....
i cant see the other one's, i thought this may have been what was causing my problems the whole time but i need your guys' expertice....
i have an S4 block with S5 externals, i need your guys' help!...
P.S. i see resistors that were soldered in with the injectors that are under the Upper intake manifold, so i presume those are the 720cc's....
did they mess up the install and place them in the primary slots or were the rails infact swapped from JDM and USDM....
long story short....
i got 720cc injectors installed and ever since my car hasnt been running right at all, i drive a 1989 RHD RX7 GTX and i remember reading somewhere that the fuel rails are different from a JDM motor to that of a USDM motor, i'm not sure exactly what was the different, i believe they were swapped in places or, something?...
i'm concern is that the 720cc injectors may have been installed into the primary fuel rail and thus causing most of my problems, if i remember correctly i can see the injectors near the top of the engine and they are blue, or a blue color, most have different colors from what i understand but they are blue, the most detailed explination i can give is where the upper intake manifold is located, where it looks like an upside-down "U", the injectors that are shown in that crevace have light blue tops, i just double checked....
i cant see the other one's, i thought this may have been what was causing my problems the whole time but i need your guys' expertice....
i have an S4 block with S5 externals, i need your guys' help!...
P.S. i see resistors that were soldered in with the injectors that are under the Upper intake manifold, so i presume those are the 720cc's....
did they mess up the install and place them in the primary slots or were the rails infact swapped from JDM and USDM....
Last edited by Archangels; 01-27-06 at 06:50 PM.
01-27-06, 06:51 PM
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Engine, Not Motor
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So I think you're trying to ask where your 720CC injectors are? 
If they are on the lower intake manifold, then they are in the secondary position.
If they are on the middle iron, then they are primary. This is VERY hard to see with the intakes and stuff installed.
If they are on the lower intake manifold, then they are in the secondary position.
If they are on the middle iron, then they are primary. This is VERY hard to see with the intakes and stuff installed.
01-27-06, 06:55 PM
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Originally Posted by Aaron Cake
So I think you're trying to ask where your 720CC injectors are?
If they are on the lower intake manifold, then they are in the secondary position.
If they are on the middle iron, then they are primary. This is VERY hard to see with the intakes and stuff installed.
If they are on the lower intake manifold, then they are in the secondary position.
If they are on the middle iron, then they are primary. This is VERY hard to see with the intakes and stuff installed.
i can see the blue injectors with the resistors under the upper intake manifold....
those are the only injectors i can see....
01-27-06, 06:57 PM
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01-28-06, 03:55 AM
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Originally Posted by Aaron Cake
The secondary injectors are visible just under the upper intake. You should be able to see them. The primaries are buried down where they are hard to see.
01-28-06, 05:08 PM
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Originally Posted by Syonyk
What are you using for fuel control to convince the ECU to not run richer than it already does?
-=Russ=-
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