Fuel line question?

[73chalngr]

 What should I be using for a fuel line from the fuel pump to the carburetor right now I am using a rubber fuel line .   Should I be using a metal fuel line for a portion of it because I think I am experiencing vapor lock occasionally  ?

[Rich G.]

You should use a steel line but that's probably not causing you to have vapor lock.

[Burdar]

You want to minimize the amount of rubber line in the system.  Rubber deteriorates over time.

Rubber line shouldn't be causing a vapor lock situation though.  Today's gas isn't made for carburetors.  It's made for fuel injection.  You need to keep as much heat away from the carb as you can.  Also, a return line back to the tank will keep fresh(cool) fuel at the engine.

[Racer57]

Metal would create more of an issue than rubber would. Keep the line away from any metal parts of the engine that gets hot and see if the line going to the pump is touching anything. I had issues with my 383 and I put some fuel line insulation on it where the line is by the exhaust along the frame and it made a world of difference.

[Topcat]

You want to minimize the amount of rubber line in the system.  Rubber deteriorates over time.

Rubber line shouldn't be causing a vapor lock situation though. 

Today's gas isn't made for carburetors.  It's made for fuel injection.   

Also, a return line back to the tank will keep fresh(cool) fuel at the engine.

https://www.ebay.com/itm/Mopar-68-69-70-71-Charger-Roadrunner-GTX-Cuda-426-HEMI-440-Vapor-Separator/173781045480?hash=item28762850e8:g:JJcAAOSws~dcWwFt

[Burdar]

In the past, I know people have had issues with those reproduction fuel separators.  The orifice inside is too large(or there is no reduced orifice at all).  Too much fuel is bypassed and the engine doesn't get what it needs.  Not sure if all of them are that way or not.  Just something to be aware of.  I've heard that people have cut the head off of a bolt, drilled it out and inserted it into the return line to get the proper amount of fuel return.

[JS29]

Making a re-stricter makes scents. 

[73chalngr]

Never even thought about the fuel  line at the frame rail.   Thanks for all of the ideas.

[Rich G.]

73 Chalngr, what engine are you running?

[Burdar]

In the 80's the factory used a fuel filter with a built-in return nipple that sticks out the side.  That is also an option to plumb a return setup.

[73chalngr]

I have been busy with other things.  I am running a 340 with 69 intake and the performance factory exhaust manifolds    .