fuel line length
Ok from some people i hear to run 1ft of fuel line. Others asy shortest as possbile, then ive ha a guy tell me that if you keep the length of both lines the same it will be more consistant tuning. What do you guys recommend i do? Thanks
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Originally Posted by rcdude236
(Post 7789479)
Ok from some people i hear to run 1ft of fuel line. Others asy shortest as possbile, then ive ha a guy tell me that if you keep the length of both lines the same it will be more consistant tuning. What do you guys recommend i do? Thanks
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If you don't have a clunk tank, you are going to need a little more than shortest possible or the thing will stall very quick when upside down.
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oh yeah kinda forgot, i have an D8 so thats why i run mine so short. :lol: since i have a clunk
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I've seen guys run them as short as possible, to all 3 feet of a package wrapped around the truck.. If you don't beleive me I'll get you pictures this weekend.. The one with a on of line, doesn't seem to have any more trouble with tuning then anyone else, but we also start racing in the sun and end up after dark, adn the tune changes dramatically no matter the time of year..
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Fuelline does create some resistance, the longer it is the more resistance it has. Getting fuel into the engine is done by 2 way's, sucking by the engine and pushing by the backpressure. athough it is an almost closed system the backpressure needs to get bigger to overcome the resistance of a longer fuelline.
In short terms: a shorter fuelline (and backpressure line) does create a faster responding engine which is easier to tune. |
My experience is that the tune keeps more consistent with long fuel line and pressure line.
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My experience is the best way to run it is whatever the manufacturer suggests. If its gota clunk, its going to be short, and if not its going be longish. They suggest it for a reasons like keeping it away from heat, keep it away from things that can tear it, and keep enough fuel in there for when your upside down. Just my personal opinion.
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goo question
I run mine out of the tank around the air filter neck, into the fuel filter on the side of the tank and around the tank and into to front of the carb.....
I didn't mean goo question, good question........ |
what u mean if its got a clunk run shorter mine is a d8 with fironi line and a gas cooling filter i run the lenth they give u on the clunk with the fironi line then i cut the rest in half and use it on my exhaust and fuel line including the cooling filter..Is that bad to run kinda long with a clunk???
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Not bad, it's just pointless. There's no need to run a long fuel line when the tank has a clunk. I run a Losi so my fuel line is as short as possible, the pressure line is about 8 inches.
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I run it exactly like my manual say run it. And I have yet to have any problems tuning, staying running ect..... I think its funny that guys claim to get better this and better that. Nonsense. Its funny when you get to a big race and there is 300 entries and out of the 300, some guy has 300 feet of fuel line, tuning, looking like he really knows what hes doing.:smile::lol:
One thing I do is look and observe other people cars. You get latest setup, different ideas that may be home made but works, new products ect.... I still have yet to see a car with 612 yards of fuel tube. PLUS HUM, ITS AGAINST THE LAW. Go try to run that crap at a big race that is teched. Just saying.......:lol::lol: |
Originally Posted by token
(Post 7790537)
I run it exactly like my manual say run it. And I have yet to have any problems tuning, staying running ect..... I think its funny that guys claim to get better this and better that. Nonsense. Its funny when you get to a big race and there is 300 entries and out of the 300, some guy has 300 feet of fuel line, tuning, looking like he really knows what hes doing.:smile::lol:
One thing I do is look and observe other people cars. You get latest setup, different ideas that may be home made but works, new products ect.... I still have yet to see a car with 612 yards of fuel tube. PLUS HUM, ITS AGAINST THE LAW. Go try to run that crap at a big race that is teched. Just saying.......:lol::lol: http://i765.photobucket.com/albums/x...pandvid009.jpg |
well im using a 8 inch piece, fuel line for my pipe and for the carb the fuel line is just long enough to reach the carb outlet.
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Originally Posted by NitroXray80809
(Post 7792030)
lol i can see the techs seein that and just laughing :lol: mine isnt long i see people running way more than me but i think im ganna shortin it. Heres a pic of mine i havent ran it yet so u guys decide how bad it is:lol::lol: its not extreamly long but its not just a straight line..lol
http://i765.photobucket.com/albums/x...pandvid009.jpg |
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