Clocking Fuel Line Fitting
#1
Clocking Fuel Line Fitting
Hey, all. The car is a '69 4-4-2 with G-block 400 and original Q-Jet. Still trying to sort the new fuel line I got to replace the one I cracked when I went to replace my fuel pump last year. It's finally all mostly in place, although the fuel line (from Inline Tube) is about an inch away from where it needs to be. However, I think I can worry that into position with my handheld tube bender.
What I can't figure out is how to clock the brass 90 degree fitting that goes from the fuel pump to the fuel line so it's properly oriented to accept the fuel line. On the old fuel pump, the fitting threaded into place and ended up in exactly the right position. However on the new pump the fitting ends up 180 degrees out, pointing down to the ground when threaded into place, when it needs to be pointed up toward the manifold and carburetor.
Obviously, I'm not going to be able to compensate for this using a tube bender, so that leaves me looking for a different solution. Using a washer or washers just seems like asking for a fuel leak and I guess I could try plumber's tape or putty but that seems pretty amateur. I'm sure there's something I'm missing.
Anybody else dealt with this and care to share? Mucho appreciado in advance!
What I can't figure out is how to clock the brass 90 degree fitting that goes from the fuel pump to the fuel line so it's properly oriented to accept the fuel line. On the old fuel pump, the fitting threaded into place and ended up in exactly the right position. However on the new pump the fitting ends up 180 degrees out, pointing down to the ground when threaded into place, when it needs to be pointed up toward the manifold and carburetor.
Obviously, I'm not going to be able to compensate for this using a tube bender, so that leaves me looking for a different solution. Using a washer or washers just seems like asking for a fuel leak and I guess I could try plumber's tape or putty but that seems pretty amateur. I'm sure there's something I'm missing.
Anybody else dealt with this and care to share? Mucho appreciado in advance!
#3
#4
Those intermediate brass couplers can be a pain in the nuts to orient correctly and seal. You either have to go heavy on the tape/dope and stop short or use less (and cross your fingers) and go one more full rotation.
#6
Well, I got it in there and with a couple of layers of teflon tape, it's lined up perfectly. And the good news is, it comes off at such an angle that I may get away without bending the fuel line too much -- maybe not at all.
The bad news is, I did a little further investigation (when will I learn not to do this?) and it looks as though the white teflon tape I got is inappropriate for a fuel line application. So it looks like I will have to strip it off and re-wrap with something else that will be gasoline resistant.
Any recommendations?
The bad news is, I did a little further investigation (when will I learn not to do this?) and it looks as though the white teflon tape I got is inappropriate for a fuel line application. So it looks like I will have to strip it off and re-wrap with something else that will be gasoline resistant.
Any recommendations?
#8
#9
#10
White teflon. Can't remember the name but it was nobody I ever heard of so probably a wannabe. The parts guy said it was what they had and it would be fine for my application. I'm ***-uming that the fact that I'm using it to alter the position of the thread rather than for an actual seal (flare fitting) makes its quality less crucial.
#11
Well nearly a year after I started down this road, it's all buttoned up with no apparent leaks and the engine runs well, so it seems like the fuel pump was definitely the issue.
Now I have to address the oil, which is inexplicably filthy. I know I didn't do my usual fall oil and filter change last year because the car was laid up, but usually the oil comes out just as clean as it went in. Hmmm ...
Now I have to address the oil, which is inexplicably filthy. I know I didn't do my usual fall oil and filter change last year because the car was laid up, but usually the oil comes out just as clean as it went in. Hmmm ...
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