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The 20R head has straight ports, so can flow better than the 22R head, improving high RPM power. The 20R head is a simple bolt-on modification for the pre-1985 block, but also requires the use of the 20R intake manifold, making it almost impossible (there's a lot of matching necessary) to use with the 22R-E EFI system. [21]
It has the same bore and stroke as other 2AR engines but the cylinder head, cams, pistons and fuel management system are unique. Maximum thermal efficiency is about 38.5%. [11] The expansion ratio is 13.0 to 1. Output in the Toyota Crown hybrid combined is 164 kW (220 hp) at 6000 rpm and 221 N⋅m (163 lbf⋅ft) at 4200–5400 rpm. Applications:
Head gasket with a leak between the rightmost and centre cylinders. A leak in the head gasket - often called a "blown head gasket" - can result in a leak of coolant, the combustion gasses, or both. Blue smoke from the exhaust suggests that excess oil is entering the combustion chambers (although there are other possible causes than a head ...
The Toyota Y engine is a series of overhead valve straight-four petrol engines manufactured by Toyota from 1982 through 1996. The Y engine has mostly been used in commercial and off-road vehicles.
The 1985 model year (which began production in August 1984) saw the arrival of the electronically fuel-injected 2.4 L 22R-E (and 22R-EC with California emissions controls). This increased the power output from 96 hp (72 kW) for the 22R [18]: 204 to 116 hp (87 kW) for the 22R-E, [19] though the carbureted engine remained available until 1988 ...
The Toyota AZ engine family is a straight-4 piston engine series. The AZ series uses an aluminium engine block with cast iron cylinder liners and aluminium DOHC cylinder head. . The engine series features many advanced technologies including slant-squish combustion chambers, offset cylinder and crank centers, and the VVT-i continuously variable intake valve timing syst