Fuel Tubing, Where does it go?  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> CEN Racing Support >> Fuel Tubing, Where does it go?
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Fuel Tubing, Where does it go? - 8/17/2007 1:11:01 AM   
Yankeesuave


 

Posts: 86
Joined: 7/31/2006
From: Gansevoort, NY, USA
Status: offline 		Hi everyone,

Thank you in advance for responding to my post:

As many of you already know the fuel tubing on the Martix CL-1 RTR Buggy is quite long. I would like to shorten it...re-route it differently. I was thinking of bringing it between the Engine Head and the fuel filter over the carborator, but I'm worried about heating issues from the engine on the tubing.

What do you all think? Any ideas of rerouting the fuel lines making for a shorter flow would be greatly appreciated.

Thanks!

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RE: Fuel Tubing, Where does it go? - 8/17/2007 1:58:31 AM   
The Real Dogman



Posts: 1853
Joined: 5/5/2006
From: Tucson, AZ, USA
Status: online 		I'm not sure I would recommend shortening the fuel line. When your buggy flips(I said "when" not "if" you will have more fuel in the lines to keep it running longer while the pickup tube in the tank is out of the fuel in the inverted tank. That will give you more time to get to it or make it less likely to die while waiting for the turn marshall to get to it. But of course excessive heat does not help your fuel line or fuel....

Have fun and good luck!!!

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RE: Fuel Tubing, Where does it go? - 8/17/2007 2:17:29 AM   
Yankeesuave


 

Posts: 86
Joined: 7/31/2006
From: Gansevoort, NY, USA
Status: offline 		Thanks Dogman. That's most likely the right answer. I didn't do it. Was just contemplating :-)

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RE: Fuel Tubing, Where does it go? - 2/7/2008 4:59:19 AM   
Tree1


 

Posts: 404
Joined: 5/25/2006
From: Murrieta, CA, USA
Status: offline 		this is how I ran my fuel line.



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RE: Fuel Tubing, Where does it go? - 2/7/2008 9:09:51 PM   
forevernitro75


 

Posts: 56
Joined: 3/30/2007
From: Big Rapids, MI, USA
Status: offline 		if you would like to shorten your fuel lines that is ok you dont have to worry about heating issues with the fuel line touching the cooling head or the engine block the fuel line will hold up to the heat (if you engine gets that hot you have a problem) to keep the engine from stalling "when" you flip over just tie a loose square knot in the return fuel line ie the one that goes from the tank to the exhaust.
also by shortening the fuel line your engine may be easier to start / tune because the fuel has a shorter distance to travel from the tank and you dont have to worry about your engine over heating just because you shortened the fuel line ...hope this helps

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RE: Fuel Tubing, Where does it go? - 2/7/2008 10:11:59 PM   
The Real Dogman



Posts: 1853
Joined: 5/5/2006
From: Tucson, AZ, USA
Status: online
quote:

ORIGINAL: forevernitro75

if you would like to shorten your fuel lines that is ok you dont have to worry about heating issues with the fuel line touching the cooling head or the engine block the (1)fuel line will hold up to the heat (if you engine gets that hot you have a problem) (2)to keep the engine from stalling "when" you flip over just tie a loose square knot in the return fuel line ie the one that goes from the tank to the exhaust.
also by (3)shortening the fuel line your engine may be easier to start / tune because the fuel has a shorter distance to travel from the tank and you dont have to worry about your engine over heating just because you shortened the fuel line ...hope this helps



1. Its not the fuel line that is the worry its the fuel heating up and vaporizing in the line(Vapor lock/air bubbles)

2. When you tie a loose knot or restrict the pressure to the tank you are effectively restricting fuel flow to the carb as the line from the exhaust nipple to the tank provides needed pressure to supply the carb.

3. If your engine is tuned properly you wont need worry about how hard it starts, it will start on the first or second pull.

Point is you dont need to "jerry" rig it to make it run well. Just tune it properly!!!

< Message edited by The Real Dogman -- 2/7/2008 10:12:16 PM >

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RE: Fuel Tubing, Where does it go? - 2/7/2008 10:19:15 PM   
forevernitro75


 

Posts: 56
Joined: 3/30/2007
From: Big Rapids, MI, USA
Status: offline 		oh sorry i was just passing on a tip someone gave to me and i use it and it works good so i thought i would pass it on didnt realise it wasnt a good thing to do i learned something new today thanks realdogman and tree1 sorry for any bad info i retract my previous statement

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