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Tri-Power was the name for an arrangement of three two-barrel carburetors [1] installed on large performance V8s offered by the Pontiac Division of General Motors in the late 1950s and 1960s. [ 2 ] Three individual Rochester 2G carburetors were arranged inline on the intake manifold, the center one operating normally and the outer two acting as ...
In 1967 Chevrolet introduced the L71, a variant of the L72. This new engine had three 2-barrel carburetors - known as "tri power" - in lieu of the single 4-barrel of the L72, and a 435 hp (324 kW) rating. Aside from the intake setup, the two engines were identical.
The Bonneville also had more powerful standard V8 engines than other full-sized Pontiacs, including the 389 cu in (6.4 L) or 400 cu in (6.6 L) V8s with four-barrel carburetors (power ratings of 303 to 340 hp (226 to 254 kW) depending on year) with many optional V8 offerings, such as the availability of the Tri-Power (three two-barrel carburetor ...
It featured a smaller bore of 3 + 3 ⁄ 4 in (95.3 mm) coupled with the same 3 in (76.2 mm) stroke of the 301 (same bore and stroke used by Chevrolet when the first small block motor was introduced in 1955). It produced 120 hp (89 kW) After 1981, the Pontiac V8 was replaced entirely by the GM "corporate" V8's from Chevrolet and Oldsmobile.
This engine was identical to the 425 hp (317 kW) L72 427 (first introduced in 1966), but was fitted with 3×2-barrel Holley carburetors, [31] known as "Tri-Power," in lieu of the L72's single 4-barrel carburetor. Both engines used the same high-lift, long-duration, high-overlap camshaft and large-port, cast-iron heads to maximize cylinder head ...
The Motorcraft 2150 is a Ford (also used by AMC) 2-barrel carburetor manufactured from 1973 through 1983, [1] based heavily on its predecessor, the Autolite 2100 carburetor. The 2150 improved on the 2100s design through the introduction of a variable air bleed system, which keeps the air to fuel mixture better balanced throughout the carburetor ...
Introduced in the middle of the 1957 model year, [6] the 1957 and 1958 J-2 Golden Rocket had three two-barrel (twin choke) carburetors with a vacuum-operated linkage. Only the center carburetor was mechanically connected to the throttle pedal, and it was the only one equipped with a choke.
It was initially offered as the "non-catalogued" option S42 in Chryslers (the number of such produced is uncertain), offered with 373 or 385 hp (278 or 287 kW) via a single 4-barrel carburetor (11.0:1 or 12.0:1 compression ratio, respectively), or 413 or 421 hp (308 or 314 kW) via ram-inducted dual four-barrel carburetors (with the same ...