Citron Stephen DeGroat Lugoff, SC (367 posts) Registered: 10/23/2007 09:43PM Main British Car: 1970 MGBGT V6, 7004R, AC, matching trailer 3.1 liter |
Fuel pick up
My 70 BGT will not pick up the last 2-3 gallons of fuel. So I put a later model float assembly in, the kind with a pick up line. It does get the gas that the built in will not get.
Problem: Before installation I wired up the float assy and it would run the gauge just fine. When I put 4 gallons of gas in the tank, the gauge reads about 1/16 of a tank. Is it possible that the float is hitting the old pick up line? If so, how do I fix that? Steve |
ex-tyke Graham Creswick Chatham, Ontario, Canada (1165 posts) Registered: 10/25/2007 11:17AM Main British Car: 1976 MGB Ford 302 |
Re: Fuel pick up
Is it possible to remove the filler pipe/hose and insert an inspection mirror for a peak?
While your at it, you can check resistance values of the sender to ensure operating condition......10 to 35 ohms for full tank and 210 to 270 ohms for empty (info courtesy of 'MGB Electrical Systems' by Rick Astley) |
Citron Stephen DeGroat Lugoff, SC (367 posts) Registered: 10/23/2007 09:43PM Main British Car: 1970 MGBGT V6, 7004R, AC, matching trailer 3.1 liter |
Re: Fuel pick up
The ohms are correct.
I will try to see throught the filler, but I feel sure the new float is fouling the old pick up tube. thanks Graham Steve |
Citron Stephen DeGroat Lugoff, SC (367 posts) Registered: 10/23/2007 09:43PM Main British Car: 1970 MGBGT V6, 7004R, AC, matching trailer 3.1 liter |
Re: Fuel pick up
Fixed.
Here is what I did. Drained the tank again. Took the new float out and looked in again. Reached in with a long pry bar and pried the inner end of the pick up line loose from the bracket. I was hoping that I could just bend it out of the way. Oh no. It then flopped around in the tank, but would not come loose. I used a coat hanger and looped it around the line and pulled it over to the hole. Then.... ready.... I cut it off with a hack saw blade. Took the longer piece out and shoved the short piece out of the way. I put the whole thing back together and put in 5 gal of gas. Now it read 1/8 tank. Real progress. Emptied the tank again. Did some measuring and found that the bracket that held the old pick up line in the center of the tank was fouling the new float. Long pry bar again and bent that down flat. Now it works. 5 Gal now reads just shy of 1/2 tank. Steve |
BlownMGB-V8 Jim Blackwood 9406 Gunpowder Rd., Florence, KY 41042 (6470 posts) Registered: 10/23/2007 12:59PM Main British Car: 1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS |
Re: Fuel pick up
Man. No way I'd have known to do all that. Glad you got it fixed.
Jim |