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Old 08-08-2017, 05:50 AM   #29
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1975 20' Argosy 20
Chestfield , Kent
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Replaced many rotted vacuum lines, plugs, plug wires, rotor cap and coil. Engine is running very smooth now. Dropped the gas tank to inspect faulty sending unit. YIKES tons of RUST! New tank and sending unit on order. Replaced all rubber fuel lines. The fun continues :-)
Don't want to be the bearer of bad news but have you checked the new tank is baffled like to old one? Brad and I have been searching for replacement tanks, I ended up getting one made, not sure if Brad is doing the same, but there are two issues with all the current tanks.

1) They can only be used with a modern sender/pick-up (or an aftermarket pick-up used) as the diameter of the opening changed somehwere in the 1974-1976 era and you have to be careful because some modern GMC/Chevy senders are 200-0 not 0-90 and you end up with a gauge reading from 1/3 to full not full to empty!

2) The new tank isn't baffled which means two things. The fuel slops around, and on the old type gas gauges (the quadrants) even with the additional resistor that comes with the gauge to slow changes in gas level readings, the level goes up and down as you go around bends/up and down hills), and you end up having to find a flat straight section of road just to get an accurate gas level.
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Old 08-08-2017, 07:44 AM   #30
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1984 27' Airstream 270
Scotia , New York
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When I installed my TBI setup, this is what I did to keep my old tank and upgrade the fuel system. I installed a in tank fuel pump and I had to build my own sender unit for the fuel gauge
http://theouterlimits.ws/projects/ai...uel/index.html
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Old 08-09-2017, 01:36 PM   #31
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1976 20' Argosy 20
Rock Spring , Georgia
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Thank you very much Martin and Wayne. I'll check my new gas tank and it does not have baffles :-/
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Old 08-16-2017, 07:33 AM   #32
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1976 20' Argosy 20
Rock Spring , Georgia
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Got the gas tank, new sending unit and new gas lines installed. Gas gauge seems to work properly! Test drive was very successful. There is however an idling issue. On occasion, shifting from park to drive or reverse stalls the engine. I imagine some carb adjustment is in order. Any ideas you may have to correct the stalling problem are greatly appreciated. Thanks
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Old 08-16-2017, 07:45 AM   #33
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1976 20' Argosy 20
Rock Spring , Georgia
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Got the gas tank, new sending unit and new gas lines installed. Gas gauge seems to work properly! Test drive was very successful. There is however an idling issue. On occasion, shifting from park to drive or reverse stalls the engine. I imagine some carb adjustment is in order. Any ideas you may have to correct the stalling problem are greatly appreciated. Thanks
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Old 08-16-2017, 08:09 AM   #34
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1974 20' Argosy 20
Richmond , Kentucky
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Got the gas tank, new sending unit and new gas lines installed. Gas gauge seems to work properly! Test drive was very successful. There is however an idling issue. On occasion, shifting from park to drive or reverse stalls the engine. I imagine some carb adjustment is in order. Any ideas you may have to correct the stalling problem are greatly appreciated. Thanks
Have you checked the vacuum hose to the shift modulator on the transmission?
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Old 08-16-2017, 08:14 AM   #35
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I have had that with the Qjet and occasionally with the TBI with a hot motor
Check all the vacuum lines at the carb for proper placement.
If everything else is OK you may have to boost the idle speed a bit
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Old 08-16-2017, 04:52 PM   #36
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1976 20' Argosy 20
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I have had that with the Qjet and occasionally with the TBI with a hot motor
Check all the vacuum lines at the carb for proper placement.
If everything else is OK you may have to boost the idle speed a bit


Thanks Wayne, I'll check the vacuum lines. All other seem okay, I plan to change all fluids next just for good measure.
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Old 11-27-2018, 11:19 AM   #37
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1974 20' Argosy 20
Loomis , California
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I lost my 20' to the fire that destroyed Paradise California. I need to replace it and have something to live in while I rebuild my house. Do you want to sell yours?
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