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Walbro and Tillotson carburetors for small engines. Weber carburetor, Italian, now made in Spain, owned by Magneti Marelli. Wheeler–Schebler Carburetor Company. Zama Group, primarily an OEM provider. Zenith Carburetor Company, American subsidiary of Société du carburateur Zénith. Zenith Carburettor Company (British), used on Austin cars.
Otherwise, Walbro carburetors are commonly used on line-trimmers, leaf blowers, chain-saws, and edgers. Walbro was founded by Walter E. Walpole in November 1950. A product typically found in the automotive world of fuel injection, being used by tuners, are the Walbro Fuel Pumps, with the most common being the Walbro 255. TI Automotive purchased ...
The L75 455 engine continued as an option into the 1976 model year for the Trans Am, however, Pontiac opted to drop the "H.O." moniker from the shaker due to the disappointing public approval as the motor was not deemed to be "High Output". The 455 was fundamentally the same for the 1976 model year, albeit the shaker decal now just read "455".
A 'power valve', which is a spring-loaded valve in the carburetor that is held shut by engine vacuum, is often used to do so. As the airflow through the carburetor increases the reduced manifold vacuum pulls the power valve open, allowing more fuel into the main metering circuit.
There were low- and high-compression versions of the 327 starting in 1960. Prior to 1960, all 327s were high compression. All low-compression models used a two-barrel carburetor and all high-compression models received a four-barrel carb. The low compression of 8.7:1 and high of 9.7:1 was affected by a difference in pistons.
The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present.
With a 4-barrel carburetor and 10.25:1 compression, the Olds 215 made 185 hp (138 kW) at 4800 rpm and 230 lb⋅ft (310 N⋅m) at 3200 rpm with a manual transmission. With a 4-barrel carburetor and 10.75:1 compression, the Olds 215 made 195 hp (145 kW) at 4800 rpm and 235 lb⋅ft (319 N⋅m) at 3200 rpm with an automatic.
Being nearly identical, it too has the distinctive odd-sided hexagonal shape. These engines can be fitted in rear wheel drive vehicles with the right bellhousing and are used in hot rods, kit cars, sand rails and late model engine swaps. All Cadillac Northstar V8s; Oldsmobile Aurora L47 V8; GM 3.5L LX5 "Short Star" V6