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Car Forum / Pontiac / Pontiac Cars / June 200666 lemans...fuel pump question
I have a 66 pontiac lemans. I just removed the gas tank so that I can work on replacing the trunk pans (rotted through in areas). Well, now I need to be able to move the car in and out of the garage. I can hookup a small gas can using gravity to feed the carb for this purpose. The question I have is will I damage the mechanical fuel pump by running the car without fuel running through the pump?? Should I be considering anything else? Any info is appreciated. Thanks. > I have a 66 pontiac lemans. I just removed the gas tank so that I can > work on replacing the trunk pans (rotted through in areas). [quoted text clipped - 5 lines] > > Should I be considering anything else? Any info is appreciated. Thanks. It will not be damaged. Its just a diaphram and 2 valves. No expensive motor to burn out. It won't hurt the fuel pump as long as it's the stock, mechanical one on the motor, and not an "add on" electric one. The only problem might be that the gravity feed might not have enough pressure to operate the carb correctly. A fuel pump outs out between 4 and 10 PSI pressure. liquid in a tank provides about 2 PSI per foot of liquid depth. It might work fine, but it might not have enough pressure to get through the carb inlet and open the needle and seat on the float assembly. Give it a try. >I have a 66 pontiac lemans. I just removed the gas tank so that I can > work on replacing the trunk pans (rotted through in areas). [quoted text clipped - 5 lines] > > Should I be considering anything else? Any info is appreciated. Thanks. Your point is a good one, however, I must quibble with your conversion from feet to PSI. Unless I'm mistaken it would take a little more than three feet of gasoline head to equal one PSI. > It won't hurt the fuel pump as long as it's the stock, mechanical one on > the motor, and not an "add on" electric one. [quoted text clipped - 21 lines] > ----= East and West-Coast Server Farms - Total Privacy via Encryption > =---- WHOOPS! You are absolutely right! When I typed it I got my formula backwards! Believe it or not I use that calculation every day in my job, sizing pumps and valves for industrial companies. > Your point is a good one, however, I must quibble with your conversion > from feet to PSI. Unless I'm mistaken it would take a little more than [quoted text clipped - 25 lines] >> ----= East and West-Coast Server Farms - Total Privacy via Encryption >> =---- That's OK, Keith. You are forgiven. Thank goodness the rest of us NEVER make a mistake like that ;-) > WHOOPS! > You are absolutely right! [quoted text clipped - 38 lines] > ----= East and West-Coast Server Farms - Total Privacy via Encryption > =---- It should work because the gas is sucked out of the bowl. Hanging a can on the hood is how we used to run carb cleaner through the system. Gas ~0.28 psi/ft. Why not connect a line from the fuel pump inlet to a remote gas can? >I have a 66 pontiac lemans. I just removed the gas tank so that I can > work on replacing the trunk pans (rotted through in areas). [quoted text clipped - 5 lines] > > Should I be considering anything else? Any info is appreciated. Thanks. Thanks to all for the replies. The pump is an original type mechanical pump. I will try the gravity feed first, and if that does not work, I will hook up my remote gas can to the pump (I only need to be able to move it in and out of the garage periodically. Thanks again. > Why not connect a line from the fuel pump inlet to a remote gas can? > >I have a 66 pontiac lemans. I just removed the gas tank so that I can [quoted text clipped - 10 lines] > http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups > ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- Just pay a little kid a dollar to sit on the radiator and spray starting fluid into the carb for as long as you need the car to run. JUST KIDDING!!!!! PLEASE DO NOT REALLY DO THIS!!!! > Thanks to all for the replies. The pump is an original type mechanical > pump. I will try the gravity feed first, and if that does not work, I [quoted text clipped - 20 lines] >> ----= East and West-Coast Server Farms - Total Privacy via Encryption >> =---- When you dropped the tank did you happen to find the build sheet. I have read that its a common place to find it on 66s. 66 GTO I didn't find a build sheet....of course I was preoccupied with trying to keep 40 years worth of dirt and road grime from falling in my face! But seriously, no build sheet was found when I dropped the tank. > When you dropped the tank did you happen to find the build sheet. I have > read that its a common place to find it on 66s. > > 66 > GTO |
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