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Old 11-13-2015, 01:11 PM   #1
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fuel pump

I want to instal a external electric fuel pump on my 1986 itasca 34 foot winne i am thinking of using a carter P 4070 72 GPH and 4 to 8 PSI any help will be appreciated. thanks ray
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Old 11-13-2015, 01:26 PM   #2
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A few more details, please. You mentioned an external fuel pump, so I'm guessing you have a failed internal pump? In the gas tank? Are you going to remove it or just try to pull fuel through it? What chassis is it? Gas or diesel? Often if an in the tank pump has failed, the fuel lines are also old and brittle. Just putting an external fuel pump on to avoid dropping a tank could create problems in the future.
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Old 11-13-2015, 04:03 PM   #3
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I have a 454 chevy gas engine with a pump on the engine that is bad or to weak and is expensive to replace I want to instal this after the inline fuel filter to act as a booster pump. thanks for your help
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Old 11-15-2015, 10:48 PM   #4
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You would probably get more responses if you posted question in the Workhorse Chevrolet forum, or Winnebago forum

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Old 11-16-2015, 06:26 AM   #5
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This is not a good idea. If the diaphragm in the mechanical pump failed it would pump the gas into the oil pan and destroy the engine. The best thing would be to remove the mechanical pump and push rod and install a cover plate in place of the pump. The electric pump should be as close to the fuel tank as possible.
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Old 11-16-2015, 07:51 AM   #6
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Good advice. Years ago I had a shop do the same to our 1983 Winnebago Chieftain, and it worked well.

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Originally Posted by speed racer View Post
This is not a good idea. If the diaphragm in the mechanical pump failed it would pump the gas into the oil pan and destroy the engine. The best thing would be to remove the mechanical pump and push rod and install a cover plate in place of the pump. The electric pump should be as close to the fuel tank as possible.
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Old 11-17-2015, 12:14 PM   #7
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mechanical fuel pump

thankyou speed racer & george for your help, the pump on the engine has the steel fuel line and two rubber hoses connected,, anybody know what I should do to the two rubber hoses.
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