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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > Fuel delivery issues carbureted Ford 460

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Ghank1956

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Posted: 06/04/21 11:25am Link  |  Quote  |  Print  |  Notify Moderator

Engine is flooding, backfired and blew muffler apart, has an electric fuel pump

Dusty R

Charlotte Michigan 48813

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Posted: 06/04/21 11:38am Link  |  Quote  |  Print  |  Notify Moderator

Have no idea what kind of fuel system it has but it sounds like it's getting too much fuel. If it has a carburetor the float valve is leaking or the float is not floating, which is allowing too much gas into the engine.

bobndot

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Posted: 06/04/21 01:08pm Link  |  Quote  |  Print  |  Notify Moderator

dusty x2. might be time to rebuild the carb.

J&R

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Posted: 06/04/21 01:45pm Link  |  Quote  |  Print  |  Notify Moderator

ethenol gas will destroy carbs, large or small engines.


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Gary45

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Posted: 06/04/21 03:36pm Link  |  Quote  |  Print  |  Notify Moderator

Float needle probably needs replacing

wolfe10

Texas

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Posted: 06/04/21 03:45pm Link  |  Quote  |  Print  |  Notify Moderator

Please tell us what year your Ford 460 is.


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Grit dog

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Posted: 06/04/21 07:06pm Link  |  Quote  |  Print  |  Notify Moderator

Possibly timing as well.


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Ghank1956

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Posted: 06/05/21 02:40pm Link  |  Quote  |  Print  |  Notify Moderator

1985 fleetwood tioga

Ghank1956

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Posted: 06/05/21 02:46pm Link  |  Quote  |  Print  |  Notify Moderator

It is a 460 with a 4180 carb built by Holley. I was told there were issues with vapor lock and Ford put a “fuel vapor control valve” on these units that is supposed to return fuel to the tank, I am thinking it may be the problem but can’t find any info on them. My local dealer says they are obsolete.

bobndot

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Posted: 06/05/21 03:29pm Link  |  Quote  |  Print  |  Notify Moderator

Try 460Ford.com they have a lot of related info.

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