A20A3

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A20A3, A20A4, and BT


The A20A3, A20A4, and BT were the fuel injected versions of the A20A engines. They were run by Honda's PGM-FI system on a partial OBD-0 computer. Again, there is no real difference between the A20A3 and the A20A4 besides the A20A4 having a slightly higher power output because of not having emissions components (hp and tq numbers for A20A3 only). The A20A3 was offered in the 1984-1987 Honda Prelude 2.0Si, the 1985 and 1989 Honda Accord SE-i, and the 1986-1989 Honda Accord LX-i. The BT was the 1986 and pre-1986 version of the A20A3(86-87).

Specifications

  • PGM-FI
  • Displacement: 1955 cc/2.0 L
  • Bore: 3.26 in.
  • Stroke: 3.58 in.
  • Compression Ratio: 9:3:1(88-89)
  • Power:
    • 1986-1987
      • 110 hp @ 5500 rpm
      • 114 ft/lb @ 4500 rpm
    • 1988-1989
      • 120 hp @ 5800 rpm
      • 122 ft/lb @ 4000 rpm