How to measure a fuel line diameter. The second is flow rate as the rate is increased so is friction.
Ford Fuel Line Hose Clamp Original Style B 11425 Macs
How to measure fuel line. Shows the relationship between measured pressure drop as a function of flow rate for four different fuel lines two different sizes at two different lengths. Slide it carefully over the line so that it fits snugly. Lots of strange information out on the internet regarding fuel line sizing and it seems like most of the time people run way more diameter fuel line than they need. Uncover the fuel line so that it is visible and can be reached easily. Quick reference for an to inch line conversion 6an 38 8an 12 10an 58 12an 34. Whichever one slips over snuggly is the winner.
Place the top of a 14 inch wrench with an open end over the fuel line. Tubing is od outside diameter and pipe is id inside diameter. Do not remove the fuel line or disconnect it. Simply attach the fuel pressure gauge to the fuel rail and turn the key on you can start the engine if it runs to take a fuel pressure reading. Pipe fittings pipe fittings can be used to connect fuel lines to the port on a fuel pump or fuel pressure regulator as well as connect fuel pressure gauges to gauge ports. This is an interesting article that i came across that seems to be pretty relevant.
The fuel pressure test port is on the fuel rail on the drivers side of the engine. So the easiest way to tell the size of your fuel line which is tubing is to use a combination wrench. One end the port end of the fitting can be described as a male open ended cylinder with tapered thread also called pipe thread on the outer diameter. The first is the length of the fuel line the longer it is the more friction will be incurred. And here is the fuel pressure reading after turning the key on and priming the system. Depends if youre a plumber or a refrigeration tech.
Gallery of How To Measure Fuel Line
