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All engines developed within this family have aluminium cylinder block and head, 4 valves per cylinder, double overhead camshaft layouts, and MIVEC continuous variable valve timing. All variations of 4B1 engine share the same engine block with a 96 mm bore pitch. The difference in displacement is achieved by variance in bore and stroke. [4]
The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases.
Due to high fuel consumption, diesel engines soon became available in this range of trucks. The B36 was discontinued in 1973, although it was no longer used in trucks after 1966. It was the last petrol truck engine built by Volvo and the only V8 engine used in any vehicle, except for the newer Yamaha-built units used in the Volvo XC90 and S80.
Turbo-Hydramatic 425 (TH425 or THM 425, [1] later 325) was an automatic transmission developed and produced by General Motors. The THM425 was a derivative of the THM400; most parts directly interchange and some others will interchange with minor modifications. The internal parts spin the opposite direction in the THM425; the helical angle of ...
The Chrysler B and RB engines are a series of big-block V8 gasoline engines introduced in 1958 to replace the Chrysler FirePower (first generation Hemi) engines. The B and RB engines are often referred to as "wedge" engines because they use wedge-shaped combustion chambers; this differentiates them from Chrysler's 426 Hemi big block engines that are typically referred to as "Hemi" or "426 Hemi ...
IHC Red Diamond 450D engine (cutaway view) The engine in these vehicles was an International Red Diamond 450D, a 451 cu in (7.4 L) overhead valve inline 6 cylinder gasoline engine developing 125 hp (93 kW) at 2700 rpm. The clutch was made by W.C. Lips, Model Z-32-S, and the transmission was an IHC Model F-54-D. This transmission had 5 forward ...
The Education Department said Thursday that the 2025-26 FAFSA form will likely be available to all students and families "in the coming days."
The block entered production in mid 1965 as the Mark IV 396 cu in (6.5 L) "Turbo-Jet," phasing out the first-generation W-series Big-Block. In its first year the 396 was available as the L78 option in Corvettes and full-sized ( Impala , Bel Air , Biscayne ) models, and as the L37 in the intermediate ( Chevelle ) model.