Is the gas line supposed on a 27 roadster
to be a stainless line from the fuel bulb to the carb? Does anyone have a correct picture of how it should be bent and look installed. Thanks in advance? Tim
Tim, while stainless might look nice it will be a beggar to bend. The correct stuff is likely tinned steel like brake line tubing. I have a lifelong supply courtesy of my Dad who worked at the mill making the tubing.
Allan from down under.
I Will get some brake line then, at the parts store. Thanks Tim
Make sure you have a hand held tubing bender and keep slow, firm pressure on the tubing while bending to avoid kinks.
Here's a photo of the fuel line for a NH equipped '26 in the Ford Service Manual, Fig. 561 at page 279:
Originally the fuel line was zinc coated brass, 1/4" O.D. and 3/16" I.D. Steel would work fine. Rust won't be a problem in the engine compartment for a garaged car in hobby use.
A '27 would probably be a Vaporizer, but the bend and material is similar. Here's a pic from my '26 Tudor before I tore the car down.
Ford made a special cast brass inlet adapter for the vaporizers, so they could still use the stock gas line used for the NH carburetors.
I don't like copper because it tends to get brittle and break at the end next to the fitting. Steel is better such as brake line. The vendors sell a good reproduction of the steel line. Also in the picture posted by chuck, the loop is not correct and could be a possible source of vapor lock. An air bubble could be trapped in that loop and the pressure of the fuel would just compress the air and not push the gas into the carburetor. However vapor lock is not as likely in the cowl tank as it would be with the under seat tank as in the earlier models.
I was concerned about vapor lock. We had this discussion on the following post/link.