Turn one of the mixture screws clockwise until the engine begins to stumble. Let's hear from some Carter gurus on this one. These can be acquired, either through ebay or elsewhere. Adding headers won't change this, but adding a larger cam with headers might. Use this as just another hint because the casting number may be used on several different carburtor numbers. Be certain you know which pin connects which lever or rod. Incidentally, this tip crosses over to the Rochester 4-Jet.
Close the valve very slowly by turning the housing dial until it just touches the carburetor throat sides. . I'm not hoping to gain a lot of performance but rather to make certain it's set up properly to obtain the best performance and economy the engine combination is capable of. Turn the screw counterclockwise until you reach the highest vacuum reading on the gauge. Application Carburetor Number 894s, 894sa 896s 932s 996s, 2053s 2119s, 2119sa, 2088s 2005s, 2005sa, 2072s 2016s, 2080s 985s 2082s 2041s 2059s 2302s, 2302sa, 2302sb, 2725s Keep in mind that any air horn could have been used on multiple carburetor numbers.
You should not replace these with any other kind of float, or mix them with the non hump. Connect the negative battery cable temporarily by hand. Scott Posted using the Full Custom H. With the engine running at 2000+ rpm and not returning to idle, when you shut it down, you can observe the throttle plates closing. Use pliers to remove the clip that holds the accelerator pump rod to the pump linkage arm -- the accelerator pump plunger sits directly above it. This is the kind of information that might make your head explode the first time you read it.
I should clarify a little. The maximum buoyancy force exerted by a float occurs when the arm of the float is perpendicular to the valve just when the valve seats. Easy to start, good idle, no stumble on acceleration, no surge at cruise. Once the engine is running and choke disengaged the throttle linkage feels like there something binding. Ask questions here, or 573-392-7378 9-4 Mon-Tues central time.
Refer to your owner's manual for the proper idle rpm setting for your engine. Pull the air horn off and tip it upside-down so you can see the float mechanism. When too large a carburetor is installed, the air velocity in the venturii drop, resulting in a negative pressure in the fuel wells less than the carburetor was designed to see. I don't know the Carters well enough,but could there be something out of adjustment with the secondaries coming in really early or something? Use a small ruler to measure the distance between the gasket surface of the air horn and the bottom of each float. When sitting on the bench the butterflies operated freely,but once bolted down,the warped baseplate would straighten to mate with the intake,putting the butterflies into a bind.
Using this data, try to find carburetors that were used by the factory on similar applications believe it or not, engineers do things for a reason!!! Tighten the three screws with a screwdriver. What to do, if anything? Use a brass drift punch. With, a special 'Clay Smith' Mechanical Camshaft and the Chrysler '300-J' Cylinder Heads. Look at the position of the choke valve at the top of the carburetor. One tip that may keep someone out of trouble is float interchangeability. Use this as just another hint. Mileage is around 15-16 maximum on the highway and only about 12 in town.
Loosen and remove all 10 air horn screws on the top of the carburetor, using a screwdriver. I'm already pretty tickled that I might find out more about what the carb was actually off of as I always thought it unusual for a carb that old to still have the tag. It's the number I used to buy the carb kit Thanks! Some are very large and might take some time to download, depending on your internet connection. The Carter carburetor has been around for a very long time. When the piston is frozen you may have to drill a small hole in the bottom of the float bowl, just under the piston and hammer it out. This line will route to the vacuum advance fitting on the distributor.
If you really want to try this, Chicago Corvette has reproduced the weights. Here's my question and concern. Refer to your Carter manual for the location of the linkage arms that connect to the top case air horn of the carburetor. Turn the same screw counterclockwise until it reaches the highest vacuum number on the gauge, indicated in inches of mercury. To maintain this maximum buoyancy with different fuel levels, Carter designed floats with the arm soldered onto the pontoons at different heights.