The an size number is correctly displayed with a dash before the number. Holley fuel system selection chart part number compatible up to 185v application fuel compatibility gph flow at rated psi and 135v holley recommendations for peak performance holley recommendations for peak performance max hp pump fitting size minimum recommended line size fuel filter carbureted fuel filter fuel injected.
Understanding Fuel Line Fittings Straight Thread And An
Fuel line size chart. 516 fuel line can be used in up to a 115 hp outboard engine. 6an 38 od 8an 12 od 10an 58 od 12an 34 od. It is important to have the right size so the vehicle operates efficiently. Popular fuel line sizes. The chart above shows a couple important things about an electric fuel pump. Pipe sizing charts a reference chart for propane tank pipe sizes it is best to always consult a qualified and certified technician to advise on the best piping that is needed for your propane tank to properly fuel your appliancesprovided here is a guide for more information for you to refer to.
Yes the pressure drop thru a ½ line is a nominal 5 feet versus 35 feet for the 38 id fuel line. If you are using an existing gas line you must take into consideration the existing gas line capacities to ensure you will have proper pressure. Stens fuel line kit. Log in become a dealer. For example an an size 2 designates a tube od of 18 2 x 116 the tube od of an size 3 is 316 3 x 116. Completing the measurement is simple and takes relatively few tools.
Anything above that has to be a 38 fuel line. Id 14 od 1532 length 25 ethanol not compatible with greater than 10 ethanol fuel. This chart is for reference only we recommend you consult with a licensed plumbergas fitter or nfpa54 national fuel gas code current edition for more details. You must be an approved stens dealer and logged in to make a purchase. What size fuel line to use for an outboard 516 or 38. In the following example of a curve chart flow is shown by the green and blue lines.
The size of the fuel line is determined by the outside diameter. What you need to know about copper piping with your propane tank. The ½ line will result in a ½ pound drop versus the 3 pound drop for the 38 line at the stated flow of 833 gph enough to support 1000 hp at a bsfc of 5. The fuel line along with the other parts of a fuel system are responsible for delivering the fuel from the fuel cell into the carburetor. This pump has a free flow rate of 78 gph. Here is a more in depth break down of the differences in the hoses and the biggest reasons why it is important to have the right ones installed.
Will increasing the line size to ½ help. Flow rate drops to 62 gph. Flow rate increases with voltage and amp draw increases with pressure.

















