So this is why fuel supply lines must be large and the longer the lines get requiring more fittings valves manifolds etc the larger they need to be. Neoprene with an outer steel braiding is also offered for custom applications.
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What size is fuel line. 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. 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 of5. 516 fuel line can be used in up to a 115 hp outboard engine. Also i am going to put a in line filter on it so do i need a filter to fit the same size. It is important to have the right size so the vehicle operates efficiently. Dmaita premium member.
Completing the measurement is simple and takes relatively few tools. 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. The size of the fuel line is determined by the outside diameter. I just got my acerbis 53 tank. Fuel systems can be incorrectly designed if the pressure loss attributed to the length of the fuel lines isnt taken into account. It is important to understand the relationship between fuel line size and fuel pressure when planning a fuel delivery system.
What size fuel line to use for an outboard 516 or 38. Discussion starter 1 aug 1 2007. Jump to latest follow 1 14 of 14 posts. Post mar 25 2014 1 2014 03 25t0012. Inside the ½ fuel line the fuel would be traveling at 2 ftsecond and inside the 38 fuel line just over 3 ft per second. Did all v8 camaros come with 38 inch fuel lines or was it just ss or big block cars.
Neoprene fuel line is available in 18 inch through 58 inch sizes on bulk rolls with additional 3 foot sections of large 1 12 inch through 2 14 inch sizes available for gas filler neck applications. 6an 38 od 8an 12 od 10an 58 od 12an 34 od. Yes the pressure drop thru a ½ line is a nominal 5 feet versus 35 feet for the 38 id fuel line. 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. Anything above that has to be a 38 fuel line. Joined sep 20 2005 265 posts.
I am going to put a piece of new fuel line on it i am unsure what size line i need stock carb inside diameter. Popular fuel line sizes. However it is difficult to clamp with a standard worm gear clamp. The pressure drop at 1320 hp thru a 38 steel line might be around 5 psi. The an size number is correctly displayed with a dash before the number. Excessive pressure drop in the fuel lines feeding a carburetor or efi system will.
Gallery of What Size Is Fuel Line
