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The 1980s also saw Holley's entrance into the fuel injection market where OEM EFI components and analog Pro-Jection retrofit fuel-injection systems for carbureted cars were introduced. In the early 1990s Holley continued new product introductions with the HP Pro Series race-ready carburetors.
Eighty years after Vic Edelbrock Sr. manufactured the first Flathead Ford intake manifold, the Edelbrock company now designs and manufactures camshaft and lifter kits, carburetors, crate engines, cylinder heads, electronic fuel injection, engine blocks, engine dress-up, fuel pumps, intake manifolds, nitrous oxide injection, power packages ...
The term fuel injection is vague and comprises various distinct systems with fundamentally different functional principles. The only thing all fuel injection systems have in common is the absence of carburetion. There are two main functional principles of mixture formation systems for internal combustion engines: internal and external.
Short velocity stacks on a 302 cu.in. Ford FE engine in the tight confines of a Ford GT-40. A velocity stack, trumpet, or air horn [1] is a typically flared, parallel-sided tubular device fitted individually or in groupings to the entry of an engine's air intake system to smooth high speed airflow, and allow engine intake track tuning to incorporate pressure pulses created by its internal ...
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.
Vintage engine testing equipment that can test ignition timing, ignition dwell, manifold vacuum and exhaust emissions. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability.
Fuel injection in NASCAR was introduced in 2012, having previously been announced for 2011, which was the last season to see the premier NASCAR series use carburetion.Only the Xfinity Series uses carburetors through into 2021, with no announced change to injection.
With a single four-barrel carburetor they weighed 680 lb (308 kg) [26] and were rated at 616 horsepower (459 kW) at 7,000 rpm and 515 lb⋅ft (698 N⋅m) of torque at 3,800 rpm, with dual four-barrel carburetors 657 horsepower (490 kW) at 7,500 rpm and 575 lb⋅ft (780 N⋅m) of torque at 4,200 rpm. Ford sold them via the parts counter, the ...