RB26 S13 – Speedflow Everything

Last monday I finished running all my lines and got all the Speedflow fittings fitted.

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I have every monday off, so first thing in the morning I headed out to MSCN to grab all my fuel fittings and the last length of hose.

Almost $1200 later this is what I had.

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Might not look like much, but it sure cost a lot. I had around 25 fittings total and just over 10 metres of fuel line.

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I also picked up my injectors from RacePace on the way home.

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A fresh set of 1000cc Injector Dynamics toys!

I took everything over to the factory where the car is and started cutting it into the right lengths and organising the fittings.

Feed line was first.

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Tomei, meet ID and SpeedFlow.

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I will give a quick rundown of how my fuel lines are set up. I don’t have my boot sealed yet, so it might get a bit confusing.

I have a pair of -8 feed lines from my fuel tank to surge tank, which then go through the Walbro 255 pumps into another short pair of -6 lines.

Then they meet into a Y-piece with a bulkhead for the aluminium sheeting that will be below the parcel shelf sealing the boot.

Out of the bulkhead is a single -8 feed line through the cabin to a second bulkhead in the firewall above the gearbox tunnel.

From the bulkhead, I have a T-piece which steps back down to a pair of -6 line, one going to the rear port of the rail and the other to the front port.

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The centre port of the rail is a -6 into the regulator, then another -6 exit from the regulator down to another bulkhead in the firewall.

Through the firewall it steps back up to -8 line and runs inside the cabin alongside the feed to another bulkhead in the aluminium sheeting.

From there, it continues in -8 and runs down to a side port in the surge tank which acts as a return.

At the top of the surge tank is a -8 breather line which will move all the excess fuel back into the fuel tank. (This piece was only done this week and haven’t taken any photos of it).

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That’s everything for now.

I was planning on running the surge tank a lot lower to allow it to be gravity fed from the fuel tank, but seeing how they car is already quite low, I didn’t want to risk it being too close to the ground in the case of any off track adventures. So I will need to incorporate a lift pump at some point soon.

I also have my 100 micron fuel filters on the way.

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The car has been at Racepace getting some tests done and a couple things checked over this past week.

I’m planning on picking it up today after work, then I will need to get onto making the sump. Hopefully I can have that done by next monday and then it’s back over to Racepace to see if we can get it to start for the first time in 5 years!

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