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General Discussion

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Fuel Line Size

Hi Guys, I am in the process of reinstalling my fuel injection and I forget what size the hoses are. Can someone please tell me what sizes the fuel lines are from the High Pressure pump going to the motor..and if any idea on lengths required?


Thanks Al

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bensink.r
Nov 06, 2024

On my stock Cosworth, the high pressure line coming off the high pressure pump is 3/8". There is only a short section that connects to steel lines that run forward to the fuel filter. Coming off the filter the line returns to rubber for a couple of feet to the fuel rail. The line that feeds the HPFP is 7/16" if I remember correctly.

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