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I have my CS and want to know about the metal and rubber fuel lines installed on these trucks. Is there any advantage to running either all steel or all rubber lines ?? 8 degrees here now and fuel lines seem to be frozen for now.
Is there a difference running a fuel injection hose with thicker rubber to keep fuel away from colder weather or is my thinking way off ?? Looked at one of those new chassis for our trucks and noticed 1/2 inch metal line from front to back... Wouldn't this be an issue during wintertime ?? I understand rubber has to be used for flexing but wonder if rubber would break down like hoses currently on it. If high pressure fuel injection hose is used in newer vehicles and fuel pumps installed in the tank, how does the fuel lines keep from freezing when the vehicle is turned off ??
Any advice or ideas anyone can provide would be great.
Gasoline won't freeze, if it does than that's a bad indication of water. Fuel injection hose shouldn't be used on standard barbs. It can leak because of the vapor layer inside which is designed for a triple lip barb.
Oh ok, thank you very much for the info. Certain gas stations i believe have some water in their gas so i guess some Heet should be used until seasons change.
The fuel line diameter, at least from the fuel pump to the carb is 5/16" diameter. (5/16" diameter is plenty enough to support an engine up to 450 hp).
Ethanol rots rubber fuel lines from the inside out. By the time you see cracks on the outside of the hose, the inside is in bad shape. It's best to have as little rubber fuel lines in the system as possible --limit it to short sections joining metal fuel lines.
All sound advice thank you for the input, along the same lines i am thinking of this setup and want your guys opinions.
Want to do spare tire tank mod and wonder if this setup will be the right combo or if i need to look at some other setup. Having vapor lock issues with pump on the motor in summertime. Thanks in advance.
Keeping the metal fuel line cooler will help stop the vapor lock problem. I got a insulator jacket from O'Reilleys. It fits from the pump up to the carb. It's silver in the photo.
Haven't had any vapor lock since installing the insulator jacket.
If you haven't already, I would recommend replacing any older rubber fuel hoses with new hose. The new fuel hoses sold now are supposed to be better suited for ethanol blended fuels, and don't deteriorate near as quickly. Also would recommend replacing any rubber parts in your carb, like the power valve, with parts that are specifically made for ethanol blends. HEET, like you said, is a good idea, and if your truck sits without being driven for anymore than 1-2 months, I would highly recommend STA-BIL.
This site is invaluable for guys like me. Thank you all for the advice. I have issues when i see something shiny so i get distracted easily so i need to ask before i buy something i can't use. So many great tricks on here that i never knew of so again thank you to everyone.
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