Chevrolet used it on the 275 horsepower 327. Tighten the screws with a screwdriver. Each will be covered in some detail. Carter adapted carburetors for four-cylinder engines, waterproofing them for water crossings and making it possible to keep the engine going even on a steep incline the Y-S carburetor. Once the engine is running and choke disengaged the throttle linkage feels like there something binding. Here's my question and concern.
Second update: I should have checked this before I sent My first e-mail. This feature was eliminated in the mid-1950's as being not one of their better ideas. Today the owner of a Carter carburetor can make some simple adjustments to achieve peak horsepower and performance. Starting in late 1970, a new and improved thicker base plate was added to eliminate breakage or cracking when installing. To locate and identify your Holley carburetor the. A total of 428 different thermoquad models were produced.
They were identical to Rochester's units, except the Carter name was stamped into the body. In 2013 cleanup was estimated to cost 30 million. More manuals for specific carburetors may be available there. Test the pump before putting the top back on. I'd guess it weighs no more than 3,000 lb. He then taps on the throttle body with a plastic hammer, but still, nothing comes apart.
The truck is a '36 with a C4mated to the 283 and 3:54 gear ratio and 7:00X 16 tires. Although founded in 1896 by brothers George and Earl Holley, Holley didn't enter the automotive aftermarket until 1948. The purpose of the two is similar, but the air valve is adjustable from outside the carb. I am still dealing with my off idle stumble and believe it may be a lean condition due to weak stream from the squirters. The second casting is the bowl cover or airhorn.
Turn the air horn upside down and let the float hang -- this shows the float drop. Disconnect the fast idle rod right next to it, in the same fashion. The company started with William Carter, born in 1884; like many young men with mechanical ability, he started out in bicycles, opening a repair shop at the age of 17. The main body has a radiused air entry instead. They were identical to Rochester's units except the Carter name was stamped into the body. Carter Carburetors - click Carter Carburetor Rebuild Kits - click Carter Carburetor Company History Carter Carburetor Company in St. Use a small ruler to measure the distance from the bottom of the air horn gasket surface to the bottom of each float.
Note that the base plates are different between first and second design and reproduction carburetors. For those that may be unaware, an O-ring is called an O-ring because the item is in the shape of a ring, and if one were to cut the O-ring, one would observe that the cross-section of the material would be in the shape of the letter O. I moved the accelerator pump rod down to the bottom hole, and this seemed to help some. Raise the hood and disconnect the negative battery cable from the battery post. Third update: I fully closed the big air adjustment screw located between the two idle mixture screws, and this helped alot.
The supplier didn't matter - the part number did. Mileage is around 15-16 maximum on the highway and only about 12 in town. Turn the other idle mixture screw clockwise until the engine begins to stumble. Horrible by today's standards, but pretty good in the late 60's! The Carter-built Quadrajet carburetors won't have these stampings. From a manufacturing standpoint, much less expensive to produce the spring tension secondary than the weighted airvalve. Loosen and remove all 10 air horn screws on the top of the carburetor, using a screwdriver. They should now be much lower, as the engine vacuum should have pulled them down into the jets.
The very first production of the last group of thermoquads beginning in 1972 used O-rings to seal the wells. Look at the position of the choke valve at the top of the carburetor. George Holley, circa 1901 The third supplier for carburetors to the first-generation Camaro was Holley. The accelerator pump controls response when pressing down on the gas pedal. When I got the engine it was missing the carb and generator, but other wise complete and completely unmolested. It works well but I'd like it to work better.