#104156, "Fuel line HP rating?" Aug-26-08 07:42 PM by foggy45
i cant seem to find anything about the horsepower limitations of various size fuel feed lines. now some that i have seen had way too much math for me right now and were intended for much larger engines. (cc/min @ x-psi w/ y duty cycle %) im looking more for general guide lines now my A1000 pump has a -10 ORB fitting and the 2 choices on reducers were -8AN and -6AN
running twin rails fed by a "Y" block (or possibly a small swirl pot), and a goal of 20psi (turbine rated at 400hp), im trying to figure out which to go with.
i dont want to overkill and go too large and loose flow velocity, but i dont want to have to crank the pressure up to supply the needed fuel to the rails
anybody know these limits? or which size i should go with? and does the return line size have to match the feed size?
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#104160, "RE: Fuel line HP rating?" In response to Reply # 0
Originally posted by foggy45 i cant seem to find anything about the horsepower limitations of various size fuel feed lines. now some that i have seen had way too much math for me right now and were intended for much larger engines. (cc/min @ x-psi w/ y duty cycle %) im looking more for general guide lines now my A1000 pump has a -10 ORB fitting and the 2 choices on reducers were -8AN and -6AN running twin rails fed by a "Y" block (or possibly a small swirl pot), and a goal of 20psi (turbine rated at 400hp), im trying to figure out which to go with. i dont want to overkill and go too large and loose flow velocity, but i dont want to have to crank the pressure up to supply the needed fuel to the rails anybody know these limits? or which size i should go with? and does the return line size have to match the feed size?
"flow velocity" in a fuel line is not a huge consideration. Total flow at rated pressure is.
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#104161, "RE: Fuel line HP rating?" In response to Reply # 2
Yeah the higher your pressure the lower your flow rates will be and just the opposite for lower pressures. Basically without doing all the match you need, just go with -6an.
The Turbo guys are running 500hp on factory lines so i think 6an is a well considered upgrade and will flow enough for you.
#104164, "RE: Fuel line HP rating?" In response to Reply # 3
Originally posted by Star Turbo Talon Yeah the higher your pressure the lower your flow rates will be and just the opposite for lower pressures. Basically without doing all the match you need, just go with -6an. The Turbo guys are running 500hp on factory lines so i think 6an is a well considered upgrade and will flow enough for you. Terry
thats what i was looking for! and thanks for correcting my physics Terry.
______________________________________ ______________________________________ "Don't fear the weapon, fear the soul of the warrior using it." "My CEL only goes off when i remove my battery."
Best sum up of working on a 2GNT DR1665- "#5. Spike that motherfucker on the garage floor and grab a beer. You deserve it."
Ahhhh Priceless . . . eclipse982nrRST "its actually lightish red" RoninEclipse2G "yeah, they already have a color for that... it's called PINK"
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