Revision as of 17:45, 14 March 2009

The Nissan A14 engine is a 1.4 liter (1397 cc) engine produced from the 1975 Model year through current year as of 2007, produced in various ratings from 50 Horsepower to 85 hp. It the most common A-series engine available in the United States, although in most other markets it is relatively rare. Like the previous 1974 A13 Engine, the A14 is a "tall-block" variant, but the bore was increased to 76 mm, up from 73 mm of the previous A12 and A13 engines. A Hitachi Twin Carb "GX" version of this engine (A14T) was available in some markets.

Also see: Overview of Nissan A engine on wikipedia

Being intro'd after 1974, this engine has the features of the A-series Engine Redesign.
New A14s are still available from Nissan commercial business (e.g. forklift engine) and in the B140 Nissan LDV Bakkie (Sunny Truck).

1 Identification
2 Applications
3 Details
4 HP Ratings
5 Photo Index

Identification

A14 stamped on pad below Spark Plug #4
'A14' cast above fuel pump OR stamp pad above fuel pump

Notice how the block extends above the timing cover by about 1 inch

G30 block

H72 block

Applications

1975-1978 Nissan Sunny B210 (140Y or B-210)
1979-1982 Nissan Sunny B310 (Datsun 140Y or "Datsun 210")
1977-1982 Nissan Pulsar N10 ("Datsun 310")
2007 Nissan LDV 1400 (model B140). See Nissan Sunny.
Datsun Forklift models (including turbocharged variant)

A fuel injected version (A14E) was offered in Asian markets in the B310.

Details

Engine block has extra mounting boss on left side (now 3 bolts for mounting accessory)
A-series Cylinder Heads with medium-oval ports of 28 x 34mm
- Smaller than the A12GX Engine's monster 30 x 34.5 ports
- Larger than the 1974 A13's 28 x 30 small-oval ports
New four-bolt water outlet (thermostat housing) instead of former 2-bolt design
Longer conrod
New larger conrod small-end piston pin (now 19mm, 1.6 mm larger)
New large valves (larger than A12GX)
- Intake valve:
3mm larger bore: Now 74 mm
- requiring new head gasket with large bore
3-belt crankshaft pulley (for Water Pump, Air Pump, and Aircon)
Heavier flywheel increased by 2.2 lbs (1 kg) for smoother idling
- 3mm thicker
Rubber Engine Mounts now stiffer 1092 lb/in, up from 1008 for 1974 A13.
Stronger, light starter (80mm), starting wih 7404 vehicles
Distributor improved by moving condensor inside the housing
3-bolt exhaust pipe-to-exhaust manifold connector
- stainless front tube (USA only?)
- aluminized pre-muffler (USA only?)

HP Ratings

1979 B310 Chassis plate

65HP - lo-po (economy) A14 Engine. This engine got 47 MPG in the Coupe with 5-speed tranmission. The engine has round exhaust post rather than the usual oval-shaped A14 style.