Carb fuel line
Hello everyone
I apologize if I posted this in the wrong section but i need help. I just rebuilt my carburetor yesterday and slapped it back on my car and everything was great i also replaced my coil, spark plugs, spark plug wires, distributor cap and rotor. My car came on stronger than ever before and it had the smoothest idle i have ever heard come from her since i got her........ But she shut off on me about 30 seconds in. I checked the engine bay and there was fuel everywhere. There is a leak at the fuel line right where it connects to the carb i don't know what the problem could be before i rebuilt the carb no fuel leak now fuel leak. What did i forget? |
What carb are you working on?
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Originally Posted by Iowan
(Post 130499)
What carb are you working on?
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MF -
Still not enough info, and we can't see it from here. With a fr4ank fuel leak, it can mean anything from a cracked fuel line, to a fuel line with an inside diameter too large for the nipple it's going no to (or not tightening the hose clamp enough), to a poorly sealed nipple to thread connection on the carb to a lot of other things. A photo might help, but a lot of times you just have to look close and see where it's coming from. Archer |
Originally Posted by Archer
(Post 130501)
MF -
Still not enough info, and we can't see it from here. With a fr4ank fuel leak, it can mean anything from a cracked fuel line, to a fuel line with an inside diameter too large for the nipple it's going no to (or not tightening the hose clamp enough), to a poorly sealed nipple to thread connection on the carb to a lot of other things. A photo might help, but a lot of times you just have to look close and see where it's coming from. Archer |
You just rebuilt it !!!!!!! I'm lost ??????
Sound to me all you need is a fuel hose..... Why would you have too much fuel pressure???? |
Originally Posted by RacerHog
(Post 130505)
You just rebuilt it !!!!!!! I'm lost ??????
Sound to me all you need is a fuel hose..... Why would you have too much fuel pressure???? |
MF -
A "good" mechanical fuel pump will only put out 5 - 7 pounds of pressure. If that's too much for the downstream segment of your fuel line/carb, there's something else going on. Poor thread fittings can easily do it and that's why there's teflon tape and sealants. Archer |
First thing, settle down, you just have to go over your work, take it back apart and look for the problem and fix it. As you say, it did not leak when you started working on it. It's not a big deal we have all been there.
If you use tape on fuel fitting's be carful, Teflon tape can cause problems in the carb. |
the threads don't seal that conection
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Easy Flores....... Lets not get carried away with the Stupid word.
Check the Flare on the fitting next time it's apart... Sometime brass cracks or sometimes the steel cracks.... But it should seal with no problem... But if a little teflon tape got it to seal... Just keep an eye on it.... The Pressure is on the back side of the needle and seat.... Not in the bowl, per say... :) |
when you take the steel line off you DO use a pair of flair wrenchs, on the nut. dont you? if you dont you reap what you sow.
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