What Size/ Fitting is this 75 CIS Fuel Return Line

[Louisieg55]

I’m working on figuring out the correct fitting for the return line.

It’s the solid hardline that transitions from soft hose to hard line.

So far I’ve tried a 6AN flare to 6AN ORB male O-ring adapter, as well as 6AN to 14mm, but nothing fits. It looks like some kind of compression fitting, but I can’t pin down the size. Ultimately, I need to adapt it to 6AN.

The odd part is that on the return line I used when pulling the new 6AN hoses, the factory male connection spun onto the 6AN line fairly easily — not a seal, but enough to pull the line through.

[boyt911sc]

Louis,

The return line fitting in your picture is a 14-mm x 1.5 compression fitting.

Tony

[Louisieg55]

Thanks Tony, Ill updated on my main build/trouble shooting thread.

But I got the front pump mount/tunnel lines run (That was fun and now just need to complete the rear.

THanks
L