production plant location and was also installed in law enforcement sedans. 272 By 1955 Chevrolet introduced its “small block V8” with 265 in³, not to be outdone Ford increased its displacement to 272 in³ and introduced the Thunderbird with a 292 in³ engine. The 272 in³ (4,465 cc) version of the Y-Block was the same bore as the outgoing Mercury 256 in³ Y-Block but with a longer stroke (3.625 x 3.3 in). The standard 1955 U-code featured a two barrel Holley carburetor and was rated at 162 bhp (121 kW) at 4,400 rpm and 258 lb·ft (350 Nm) at 2,400 rpm. The optional "Power Pack" M-code utilised a four barrel Holley carburetor and was rated at 182 bhp (136 kW) at 4,400 rpm. In 1956 the U-code was updated to produce 173 bhp (129 kW) at 4,400 rpm and 260 lb·ft (353 N·m) at 2,400 rpm with a manual transmission behind it or 176 bhp (131 kW) at 4,400 rpm and 264 lb·ft (358 N·m) at 2,400 rpm with an automatic transmission. The M-code 272 was dropped altogether in 1956 in favour of a four barrel M-code version of the 292. A final version of the 272 in the US was released in 1957 as the B-code. It featured a two barrel Holley carburetor and was rated at 190 bhp (142 kW) at 4,500 rpm and 270 lb·ft (366 N·m) at 2,700 rpm. Ford Australia released this V8 motor as its only option in the four-door Customline sedan from 1955-1959 (based on the Canadian Meteor), and its coupé utility, based on the same styling as the Customline, called a Mainline. It was introduced in passenger cars in July 1955, and in the redesigned truck lineup one month later. In late 1956 the Australian 272 switched to a four bolt 2 barrel Autolite carburetor. This engine, as well as the 292 version starting in 1956, was also produced by Ford of Brazil at its São Paulo plant facility (Ipiranga plant). A new building was opened on November 21, 1958, by the Brazilian President, Juscelino Kubitschek de Oliveira, to produce the first Ford engine in South America. The 272 version was used on Brazilian F-series trucks until 1977 and on the Brazilian Galaxie 500, launched in April 1967. 292 The 292 in³ (4,778 cc) Y-Block was also introduced in 1955. The 292 shared the 3.3 in (83.82 mm) stroke of the 272