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1954 corvette carter yh carbs, floats set @ 3/8 top, 2'' drop, runs good, but gas runs out the ''side draft '' opening when I shut the engine off. #1 is ok, but center and #3 leak , but not the entire amount of gas in the float compartment. I changed the top adjustment to 1/2'' to minimize gas volume in the float area, still leaks....why ?

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  • yadayada
    yadayada May 11, 2010




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Bad seal. Rebuild the Carb with a new kit and make sure you have no extra parts. You should be able to get a carb rebuild kit from your local auto parts store.

Posted on Oct 06, 2009


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What is measurement of a float level on a carter one barel carburetor on a jeep cj5 1977?

1977 now that is a blast from the past.
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here ill paste the words

"To adjust the float drop, hold the air horn in the upright position and measure the distance between the top of the float, at the extreme outer end, and the air horn casting. The measurement should be 11/4 in. (31.75mm) to 1973, 13/8 in. (35mm) 1974-78. Adjust by bending the tab at the rear of the float lever."

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I have a 1984 jeep cherokee pioneer 2.5 l.engine that has 360,000 miles on it. Almost immediately after I change the oil it reeks of gas. What are possible reasons behind this and how can it be fixed?

it's a carb engine and carb fuel pump.
redux for "IT"

i drained the oil and the catch pan stinks of raw fuel.
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84 XJ Pioneer. AMC 2.5L
not to many of these left on the road.
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take off air cleaner
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How dose the art 105 barrel work

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What would only let one side of carb get fuel and open up

its a carb, and as such only needs to have a constant float bowl level.
Te sami pump runs a regulator built in, you test that with a pressure gauge.
one side?
did you read the FSM on topic>
see chapter 4 on carb and pump
the carb has only one input, and that is fuel line to the float valve.
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that is because it has a regulator and returns unused fuel to the tank,
kinda like EFI does.

The pump has 3 nipples, 1 suction port. and 2 pressure ports.
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the return tube is the top tube of the pair.
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if the float bowl stays at spec level at all times, even full engine load.
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Has the carb been puled off for a rebuild? If not sounds as though the floats may be out of adjustment or malfunctioning. Also a good kit will help it run better. You'll need the numbers on the carburetor to get the kit. There is either a tag or embossed area on where you can find these numbers. Dodge/Chrysler used Carter branded carbs in the past yours may still be one.

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Edelbrock 1406 3 years old on a Chevy 350 corvette. Starts and runs great when cold but when it heats up to running temp. and I shut off the engine it will not start!! Has great spark,compression,and fuel....

Check the choke and make sure that the choke is all the way open when hot. The choke should only be closed when cold. The choke can be adjusted on the side by loosening the 3 screws and wathcing the butterfly valve.

May 24, 2010 | 1972 Chevrolet Corvette

1 Answer

1954 CORVETTE,3 CARTER YH CARBS, SET FLOATS @ 3/8 '' with a 2'' drop to bottom of float. Engine runs fine, but carbs leak gas freely upon shutting engine ''off''. Why? and how can this be fixed?

Check the needle and seat in the carbs, sounds as if the needle is not seating allowing gas to flow till pressure in the lines drop. Since bowl is full the gas will force its way out any place it can. Usually a gasket. Good luck!! Hope I gave you an idea of where to look.

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I have a 2 barrel carb off a 283ci 1967 chev carter carb

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My 1983 cutlass supreme keeps flooding out. It wont even start after sitting awhile, carburator fills up with fuel, what can be causing this?


if you have a carbuerator unit on her, i assume you a refering to the fuel overfilling the bowl and flooding oiut after vehicle is shut off. this can be caused by a worn or dirty needle for the float, or possibly the float itself has ruptured and is partialy submirsed allowing excess fuel to enter the fuel bowl. i believe you may have a 307 or 260 engine that came with a rochester 2 barrel carb. there are unly a few screws on top of this carb and is quite simple to check...just be careful to place all pieces back in same position removed from...although with that age, the gaskets will likely tear when taking apart. it may be worth your while to check into a complete replacement from NAPA. anyways, once the 4 or 6 screws (cant remember) are off from top of carb (i suggest having the carb removed from engine as if you drop a screw into throat of carb and the engine ingests it..its bye bye engine)...the float will be exposed..carefully lift it out paying attention to the needle position once carefule to not bend the tang that needle hangs on as this is you float depth that sets the volume of fuel allowed in bowl. and shake it to see if fuel is inside float. if so, replace it..if not, you may be able to spray carb cleaner into the seat that float needle sits in and wash off the needle itself..reasseble and recheck performance..also it is a good idea to replace fuel filter when carb is off...i hope this help you...good luck!

ps your 4 thumbs up is much appreciated

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Gas leaking out of a 1983 cordoba top of carburetor

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P.S. I myself have forgotten to install the needle in a carb rebuild.

Let me know how you make out.

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