debuted in 1977, the first model of the Z-type engine to be released. Displacing with a bore and stroke of , it is essentially an older L18 type series four-cylinder with the new cross-flow cylinder head. A 1980 twin-carburetor version produced at 6,000 rpm (SAE). Export specification is those of Datsun · 180K (C210 type Skyline) at 5,600 rpm (DIN/net [Note 2] ), is those of 910-series Bluebird, twin carburetor specifications 910 Bluebird SSS and Sylvia for export was . Z18 was also available in some of the commercial vehicle engine lineups; those models were of a single plug cylinder head design. Reference specifications: Displacement: Compression ratio: 8.8:1 Maximum output (gross): at 6000 rpm Maximum torque (gross): at 3600 rpm Above those of the twin plug specification engine Car models: 811-Series Nissan Bluebird P910 type Nissan Bluebird / Datsun · 180B PC231 type Nissan Laurel / Datsun-180L 1978.11-1980.11 C31 type Nissan Laurel 1980.11-1982.09 JF30-Series Nissan Leopard 1800 S110-Series Nissan Silvia / Nissan Gazelle PC211 type Nissan Skyline 1800 / Datsun · 180K PJR30 type Nissan Skyline 1800 RA11 type Nissan Violet / Auster / stanza / Datsun · 180J D720 type Datsun Truck (1982-1985 single plug specification) D21 type Datsun Truck (single plug specification) Z18E The Z18E is a fuel-injected engine produced primarily for the Japanese market. Most specs were the same as those of the Z18, but maximum power increased to (SAE) at 6,200 rpm in 1980 (Bluebird, Skyline). Applications: Nissan Bluebird 910 Nissan Skyline 1800TI (C210) Nissan Skyline 1800TI (R30) Z18ET The Z18ET is a turbocharged and fuel-injected engine first introduced in the 1979 S110 Silvia/Gazelle. It was produced primarily for the Japanese market and produced . Applications: 1979-1983 Nissan Silvia S110 1979-1986 Datsun Bluebird 910 - at 6000 rpm, at 3600 rpm Z20S The Z20S (S denotes carbureted) is a engine with a bore and stroke of that produced from 1979 through 1988. It replaced the L20B while using many of the same bottom-end components. Applications: 1979-1981 Datsun 510 ( SAE) 1981 Datsun 720 Nissan Cabstar (Europe, DIN at 5000 rpm) 1980-1986 Nissan/Datsun Caravan/Urvan/Nissan Homy E23 ( at 5200 rpm, European versions have ) 1986-1997 Nissan Caravan/Urvan/Homy E24 1985-1988 Nissan Vanette C22 ( at 5200rpm) 1979.10-1980.11 Nissan Laurel C230 1980.11-1984.10 Nissan Laurel C31 ( at 5600 rpm) In the US, the Z20S was only available in the 1980-81 510/A10 and 1984 720 pickup with the MPG option.