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03-18-2013, 04:47 PM | #1 |
Former Vendor
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Join Date: Dec 2012
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JDM on USDM fuelrails?
Do you know which JDM STI version would have compatible fuel rails with USDM top feed models?
This one looks like a top feed fuel rail, but I am not sure what the GDB version WRX came with. Kinugawa Fuel Rail High Flow SUBARU JDM STI Spec C GDB EJ20 EJ25 These seem like side feed fuel rails.. Kinugawa Fuel Rail High Flow SUBARU WRX STI GC8 GF8 V3 V4 EJ20 Kinugawa Fuel Rail High Flow SUBARU WRX STI GC8 GF8 V5 V6 EJ20 |
03-19-2013, 10:50 AM | #2 |
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Its best to ask them. The rev A spec C had TGV's (V7).
This may be a reason for which they include EJ25 in the same description. This would mean that it fits USDM, but not JDM V8,9. |
03-19-2013, 12:04 PM | #3 |
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I think even the JDM top feed rails have different mount hole location so it wouldn't be a direct bolt up. There are plenty of manufacturers that make top feed rail for the USDM application, why not use parts that fit?
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03-19-2013, 01:46 PM | #4 |
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JDM Sti's with long runner manifolds (no tgv risers) must use adapters when using aftermarket usdm rails. Couple of members on the board make them custom.
example http://forums.nasioc.com/forums/show...6#post34054036 |
03-21-2013, 10:02 PM | #5 |
Former Vendor
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Join Date: Dec 2012
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Thanks for the feedback.
It will probably be best to stick a US specific fuel rails unless the customer has a JDM intake/TGVs. |
04-03-2013, 08:48 PM | #6 |
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I'm using these : Kinugawa Fuel Rail High Flow SUBARU JDM STI Spec C GDB EJ20 EJ25
w/ my 2005 STi top feed conversion set up/manifold.. fits like a charm |
04-03-2013, 09:18 PM | #7 |
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04-03-2013, 10:27 PM | #8 |
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04-03-2013, 10:40 PM | #9 |
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07-22-2014, 09:16 PM | #10 |
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Sorry to pull up old thread. Sense, you wouldnt happen to know the ORB threading IN the rail would you? I'm doing hard SS lines and want to run a 90 swivel to have clearance, but both the ORB6 and ORB8 are the wrong size. It is something in between. Maybe 12x1.25? Anyway, thanks.
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