How i ran my wrx fuel system. I will have a 550 whp capable turbo running e85 wanting to know for such a setup should i run the fuel lines in series or parallel.
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Subaru parallel fuel lines. Carrying on and nearing the end of the monstrous deshele built cosworth ej257 forester build series i give you guys a run down on my custom built parallel fuel setup with twin 044s and an engine. Iag performance manufactures upgraded subaru performance fuel rails. Just look up any 08 sti. Manufactured with smooth bore ptfe flexible lines and 6 or 8 an swivel fittings and you have an all in one solution for your fueling needs. Fits subaru wrx sti legacy gt spec b and forester xt models. Stainless reinforced ptfe line with black covering has a 3 minimum bend radius which allows for a straight forward installation when used as intended.
In this episode i finally get the phenolic spacers from grimmspeed and i do a budget diy parallel fuel rail setup. Many people have experienced uneven fueling from cylinder to cylinder with parallel. Subaru rcm parallel fuel rail kit rotated turbo rcm1493 rcm1494. Subarus fuel system design works in a series from one rail to the other. The cobb subaru fuel rail line kit is designed to be used along with the cobb fuel rail kit. I am in the process of finishing my build for my birthday 06 wrx and looking to ask the question in regards to fuel line configuration.
After your first two injectors are fed with fuel the extra is fed to the others but if youre upgrading your injectors to. The cnc billet aluminum rails are available with matching hoses and lines as well as a variety of colors. All lines are pre assembled with double swivel sport crimp style hose ends and ready for installation. Subaru parallel fuel. Sx fuel pressure regulator fitting kit subaru impreza p1 wrx sti type r rb v1 v6. Fuel rails an lines.
Subaru rcm parallel fuel rail kit standard fuel regulator rcm1500 rcm1501. The first year subaru implemented parallel rails tons of misfire issues. Nobody has been able to prove any benefit with parallel. The pl motorsports subaru ej20ej25 fuel line kit and regulator can handle the most demanding high flow efi systems and is capable of supporting applications up to 1000 hp. Many people have had misfire issues with parallel lines.
Gallery of Subaru Parallel Fuel Lines
