That's supposed to be a steel line, with compression fittings. If it's 
copper, you are in danger of developing a crack in the pipe - copper is 
not good where there's vibration, it work hardens and cracks.

If it's the original steel line, you can try teflon tape - wrap the 
compression ferrule, and make sure none of it gets into the fitting. A 
small bit of tape that goes into the carb can ruin your whole day! Only 
tighten the fittings until they are snug - over tightening  can cause leaks.

Another fix is to solder the ferrule to the pipe, and get a coating of 
solder over the outside of the ferrule. This will fix leaks due to over 
tightening, where the leak is between the pipe and the ferrule. Use 
acid-core solder and flux, and clean the joint real good before putting 
it back on the car.

Chuck Kuecker
 
Timothy Osburn wrote:
> My 36hp motor has the copper line running from the pump to the base of the 
> carb. I have noticed that it leaks at the nut where it connects to the carb. 
> Can someone advise me, would it be possible to use teflon pipefitters tape to 
> help stop the leak? Has anyone else had this problem and how did you approach 
> it?
>
>  Tim Osburn, Head Mechanic, Ralph Spoilsport Motors. 
> Home of Fine, Old Volkswagens and... 
> Grand Canyon Nut.
> The Blues Notions website- www.bluesnotions.com
> _______________________________________________
>   


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