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Old 12-25-2012, 07:10 PM   #1
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1975 Dodge Journey RV

Hi Everyone: I have a 1975 Dodge Journey RV. My problem is that after it sets for 2 days with out being run it will not start without putting gas in the carburetor. If I start it every day it starts and runs GREAT. I have put a new fuel pump on and had the carburetor rebuilt. I am thinking about installing an electric fuel pump in the rear by the gas tank. What are your thoughts ? Thank You Bill
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Old 12-25-2012, 07:35 PM   #2
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an electric pump might be you best solution ,but it sounds like the carb is draining
i have a 73 dodge car with a 360 and it sets for 8-10 months at a time and starts right up .
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Old 12-25-2012, 07:57 PM   #3
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You should have pressure on the gas line at the carb after running that pressure should be there after running the main jet seals off any gas getting to the carb bowl or overflowing the bowl. After sitting for a short time or even a day loosen the gas line at the carb if you have no pressure then you have a problem with the carb. My guess is the gas id getting by the main jet that seals of the gas at the float. Most likely the fuel like is draining back into the tank and the bowl is drying up then it will not start with out putting gas into the carb. This primes everything up and pulls gas back through the system allowing the engine to start. My guess is you need to look at the carb again check the main jet to make sure it is sealing. I would also look for cracks at the bottom of the bowl.
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Old 12-30-2012, 10:36 AM   #4
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thanks

Thanks guys. I will look at the carb and see what is going on. First I must get rid of all the ( Ohio) snow around the rv.
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Old 12-30-2012, 02:41 PM   #5
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If you have a 440-3 with a Thermoquad, then you most likely have the the leak down problem described in post 7 of this thread Carter Thermoquad "Spreadbore" Stuff - IH PARTS AMERICA

You can either convert to a Edelbrock carb or rebuild yours as described in that thread

TQ Parts - Carter 4 AFB ThermoQuad Parts Page

TQ Links:
Offroad Exchange - Carter Thermo-Quad Rebuild
http://www.moparnuts.com/images/stuff/Tquad2.pdf


Dave
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Old 12-30-2012, 06:47 PM   #6
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Very cheap and easy fix,,, install an electric fuel pump, keeping the new mechanical pump. It's cheap insurance if the mechanical pump fails, you aren't stranded. Be sure to wire it to the hot side of the ignition key, so you don't forget and leave it on. Let it run 2-4 seconds before starting, and it'll fire right up. I've had an electric pump on all my (many) Mopars...
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Old 01-01-2013, 06:37 PM   #7
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electric fuel pump

When I install the new electric fuel pump can I leave the old mechanical pump in place and put the new electric pump in series with the old mechanical pump using the old gas line? Or should I bypass the old pump? Also is the location of the new pump critical (in the engine compartment or in the rear by the fuel tank)?
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Old 01-01-2013, 07:17 PM   #8
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Quote:
Originally Posted by Bill Zim View Post
When I install the new electric fuel pump can I leave the old mechanical pump in place and put the new electric pump in series with the old mechanical pump using the old gas line? Or should I bypass the old pump? Also is the location of the new pump critical (in the engine compartment or in the rear by the fuel tank)?
You do not need to bypass the mechanical pump. I would install the electric pump near the tank, so it is pushing the fuel forward... Just make sure and get a pump made for carb,s 5-7 psi... approx... such as this one Carter P60504 Electric Fuel Pump : Amazon.com : Automotive Any local parts store will have one that will work...
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