Holley 94 fuel inlet fitting help needed

I would like to plumb my Holley 94 carbs with 5/16" steel line for the fuel.
I am not having any luck finding fittings with the proper 1/2-20" straight thread with the SAE 45 degree 1/2-20 Inverted female flare for the 5/16" line.
Any of you guys have any ideas on if the fitting even exists and where to get them?
Thanks, Bill

 

I used (per George MacNicholl's book) a Weatherhead 7915 brass fitting from Napa (Weatherhead No. 7915. BRAKE LINE ADAPTER. Male Pipe Thread: 3/8” Dia. Inverted Female: 5/16” Tube.) beveled the tread end (little at a time) until it seated correctly in carb.... some Teflon tape and a year later, 3x2 with no leaks. :0)

revrev

 

You could use a Model A Gas Line Fitting # 0442707/CB it is 1/2x20 for a 1/4" line with a feral. If you can drill out brass, I mean grinding a drill bit so it wont bite and chamffer it to 45 degs. You will have to drill out the carburetor because it is made for 1/4 tubing or your 5/16 will not go in to and have the feral not seat correctly.

I just had a thought why don't you make a manifold large enough to supply the fuel into 1/4 lines into the carburetors ?

 

You can find every fuel fitting and any other fuel system parts you will ever need right here.

http://www.vintagespeed.com/

 

WOW thank you from an old timer. Jim.T.

 

If the threads are rough they retap to 1/4 pipe without drilling.