Subaru EA engine

From Wikipedia, the free encyclopedia

 This article or section is currently in the middle of an expansion or major revamping.
However, you are welcome to assist in its construction by editing it as well. Please view the edit history should you wish to contact the person who placed this template. If this article has not been edited in a while please remove this template. If you are making a large edit, consider using {{inuse}} to avoid other editors attempting to edit the article, and producing edit conflicts.


Some information in this article or section has not been verified and may not be reliable.
Please check for inaccuracies, and modify and cite sources as needed.

The Subaru EA engine is a series of automobile internal combustion engines manufactured by Subaru, a division of Fuji Heavy Industries. All EA series engines are of a flat-4 design.

The EA series engines has aluminum heads with aluminum blocks. Each cyinder has two valves, one for exhaust and one for intake. They came in either an OHV pushrod or SOHC configuration.

Subaru produced the EA series from 1966 to 1993, and were found in the Subaru FF-1 and the Subaru Leone.

Contents

[edit] EA-52

The Subaru EA-52 engine was produced from 1966-1970.

[edit] Specifications

[edit] Found on

[edit] EA-61

The Subaru EA-61 engine was produced from 1969 to 1972.

[edit] Specifications

[edit] Found on

[edit] EA-63

The Subaru EA-63 engine was produced from 1973 to 1977.

[edit] Specifications

[edit] Found on

[edit] EA-71

[edit] Specifications

  • Displacement: 1595 cm³
  • Bore: 92 mm
  • Stroke: 60 mm
  • Compression Ratio: 9.0:1
  • Valvetrain: OHV Pushrod

[edit] Found on

[edit] EA-81

[edit] Found on

This engine is also popular as a conversion to an aircraft engine.


General characteristics

  • Type:
  • Bore: 3.622 in (92 mm)
  • Stroke: 2.638 in (67 mm)
  • Displacement: 108.7 in³ (1782 cm³)
  • Dry weight: 171 lb (78 kg)

Components

  • Valvetrain: OHV (Overhead Valve)
  • Cooling system:

Performance

[edit] EA-81T

[edit] Found on

[edit] EA-82

Introduced in 1985. The EA-82 came in 3 variants, with a Carburetor, SPFI and MPFI

Carburetor producing 85 hp at 5200 and 99 ft.lbs at 2800 rpm (9.0:1 compression ratio)
 
SPFI producing 90 hp at 5200 rpm and 101 ft.lbs at 2800 rpm (9.5:1 compression ratio)

MPFI producing 97 hp (72 kW) at 5200 rpm and 103 ft·lbf (140 Nm) at 3200 rpm (9.5:1 compression ratio)

Displacement, bore and stroke same for all variants 1781 cc (108.7 in³) displacement (92x87 mm/3.62x3.425")

Found on:

  • 1985-1991 Subaru XT, DL, GL, GL-10

[edit] EA-82T

This is the Turbocharged Version of the EA82 and has a 7.7:1 compression ratio. Its found on 85-91 Subaru XT, GL-10 and RX models. Power rated at 115 hp and 136 ft lbs of torque. Prone to headgasket failure, if cooling system is not properly maintained.

[edit] References

Retrieved from "http://en.wikipedia.org../../../s/u/b/Subaru_EA_engine_82bb.html"