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Re: Replacing pump to carb fuel line (patsnitrovette)
it could run out some i usually put a clean 3/8 bolt back in the rubber line to plug it off till im ready to put it back on.
Pat...
I think Chris is talking about only pulling the metal line going from the pump to the carb. Either way... I agree with everyone that you should pull the (IN) rubber fuel line going into the pump from the gas tank and plug it. I also use a small hose clamp over the screw just in case the gas tank build up pressure. Trust me... it can happen. I was replacing the fuel pump on the old engine about 6 months ago and only threaded in bolts into the rubber lines from the gas tank. I pulled the fuel pump and then took a break for lunch. 30 minutes later I came back out into the garage and it reeked of gas fumes. There was gasoline all over the garage floor. If I had a water heater out there it would have blown up. Ends up the tank built up pressure & blew the screws right out of the lines. I scrambled around and found some hose clamps and tied those bolts down securely(after I found them on the floor).
You'll get leakage at the pump so make sure you have a pan under it. The pump can hold about a pint of gas so be careful. If you put the front of the car on ramps you'll prevent any siphoning from the tank.
I replaced the steel line on my 67 several weeks ago. I siphoned the old gas out of the tank and put it in my truck. I let the truck get low on gas, the tank on the vette was full, but old. I had an oil drain plastic pan pan under the fuel pump and not enough ran out to matter. I connected the fuel pump end first. There is more room to work with up top. The line needed a little bending and I was careful not to cross thread the connection to the carb. No leaks and car runs great with the newly installed 3810 Holley.
Might be a good idea to remove the gas cap at the tank to releive any pressure while you are working on the pump/gas line. Put a shop rag over the tank filler opening and shut the lid while you are working and remember to put the gas cap back on when you are done.
I'm in the midde of another PITA job with this fuel line... Had to remove the smog pump, wiring, belts, brackets, hoses, battle with the fitting at the pump, but PB Blasted it for about an hour and it broke free, etc., etc. I don't know how, but I managed to snake the old line out with the lower a/c bracket still attached. Followed the same 16 twist/turn path and got the new line in. Now the thing needs a little bending to fit right (at the pump). Argh. I'm just taking a break at the moment with some java (cream & sugar kind, not script). BTW, no fuel flow after the pump drained out. I only have the front end elevated, so that worked out great. :yesnod: Well, back to it.... all for just one little line! :smash: