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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-30-2021, 07:11 AM | #1 |
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fuel line quick connect missing?
I've been seeing everyone else with the green plastic quick connect fuel adapters
Does anyone know why my car doesn't have it? Is this normal? My one is a 2018 Aus model. Also, does anyone have an opinion on which line to connect to a flex fuel sensor? I've seen people use the top line and the bottom line 20210930_210118 by P T, on Flickr Last edited by pt1878; 09-30-2021 at 07:53 AM. Reason: photo link |
09-30-2021, 07:20 AM | #2 |
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That's how mine was too (2013)
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10-01-2021, 11:58 AM | #3 |
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That is the return I believe, not under as much pressure.
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10-01-2021, 12:45 PM | #4 |
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10-01-2021, 12:52 PM | #5 |
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Yeah, you are right. I miss read one of the other diagrams of the fuel system I was looking at, I thought it showed a return. Looking again I believe the line without the QD is the feed to the lift pump since it is not under as much pressure.
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10-02-2021, 09:30 AM | #6 |
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This quote from Radium Engineering refers to a return line. What are they referring to?
The kit also includes a vehicle-specific contoured billet aluminum collector box. There are two 1" check valve balls incorporated on the tank that serves as trap doors keeping the pump(s) supplied dynamically with fuel during aggressive driving. Furthermore, all returning fuel from the pressure regulator return and the crossover hose enter the collector box through a one-way duckbill valve keeping it full. The duckbill valve prevents back flow and reduces noise from fuel spray. The collector box also permits a mounting solution for the OEM fuel level sender. |
10-02-2021, 09:42 AM | #7 | |
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Quote:
I have an LS swap in my car running stock fuel pump hanger/pressure regulator and stick hardlines. I Teed the front and rear hardline on the engine bay. Capped the middle(evap). There is definitely no return line in the car. Excess fuel pressure is dumped before it enters the hardline Sent from my ONEPLUS A5010 using Tapatalk |
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10-03-2021, 09:52 AM | #8 | |
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Quote:
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10-03-2021, 10:35 AM | #9 | |
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Quote:
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The Following User Says Thank You to Ashikabi For This Useful Post: | blsfrs (10-03-2021) |
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