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The E1 "1200" engine was progenitor of the A12 engine. The E1 was produced from 1958 through the late 1960s and was an older engine design modified from the 1950s Austin "B" engine.
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Overview
The E1 was the 1200cc version of the original 1000cc Datsun "Stone" engineᴳ in the Datsun 1000 Bluebird 1958 model. The first E engine produced 48 hp (35.8 kW) and 60.7 ft·lbf (82.3 Nm) from a single carburetor. A later E-1 version added dual carbs and better cam timing for 60 hp (44.7 kW) and 67.3 ft·lbf (91.2 Nm).
E1 engineᵂ (1964-1965) 1189cc 48-60 hp A12 engine (1970-1994) 1171cc 58-83 hp
Looks very similar to the A12 engine, but has a cast-iron head and upward facing thermostat housing
E1 displaced 1.2 liter (1189 cc) from a 73 mm (2.9 in) bore and 71 mm (2.8 in) stroke. It was limited on power as it incorporated siamesed center ports, as was common in 1950s engine design.
Engine stamp 'E1'
E1 piston was an old-school piston design. The heavy casting limited high RPMs. By contrast the A-series used a more modern eutectic piston and the A12 used a fully modern lightweight casting with 6000 RPM redline
Sources
Applications: C "1000" 1958 Datsun 211 Bluebird 1959 Datsun 310 Bluebird 1959 Datsun 222ᵂ Truck 1960 Datsun SP212 Fairlady
E-1 "1200" 1960 Datsun 311 Bluebird 1962 Datsun 312 Bluebird 1964 Datsun 410 Bluebird 1961 Datsun SP213 Fairlady/Datsun Sport Roadster 1961 Datsun 223ᵂ Pickup 1962 Datsun 320 Pickup 1968 Datsun A320ᴳ Cabstar
History
1953: Nissan assembles Austin A40s from complete knock-down kits 1955: Nissan makes 1500cc engines for Austin A50 1957: Nissan de-strokes the Austin 1500 to create the 1000cc Datsun C1 engine 1958: Nissan strokes the C1 to make the Datsun E1 engine, 1200cc 1960s E1 goes through two more design changes 1964: Nissan redesigns the engine to make the Datsun J13 engine 1966: Nissan creates the all-new Datsun A-series with alloy head
Electronic Ignition
You can use an 1978-1980 L20B Electronic Ignition distributor in your E1 engine, after the following modifications:
- remove the L-series drive-end and put the E1 drivegear on the L20B distributor
- modify the hold-down bracket by making the adjustment slot wider
- Remove and re-index the distributor drive gear (which is in the engine block)