Honda E Engine - EK

EK

The EK was an SOHC 12-valve (CVCC) engine, displacing 1.8 L (1,751 cc). Output varied (see below) as the engine itself was refined.

• 77 mm bore x 94 mm stroke
• Cast iron block & aluminum cylinder head
• Three barrel Keihin carburettor (all were automatic choke)
• Electronic ignition
• Oil cooler (or provision for this in the block)
• Cylinder head iterations:
  • Six port cylinder head (4 intake port / 2 exhaust ports) & IEEIIEEI valve order for 1979 & 1980 49 state
  • Eight Port cylinder head (4 intake port / 4 exhaust ports) & IEEIIEEI valve order for 1980 (California only) and 1981 (50 states)
  • Eight Port cylinder head (4 intake port / 4 exhaust ports) & EIEIIEIE valve order from 1982 to end of CVCC production (1985)
• Power: 6-port output was 72 hp (54 kW) at 4,500 rpm and 94 lb·ft (127 N·m) at 3,000 rpm, while the original 8-port head raised this to 75 hp (56 kW) at 4,500 rpm and 96 lb·ft (130 N·m) at 3,000 rpm. The revised 4-port (82 & later) had another slight horsepower increase.

USAGE:
1979-1983 Honda Accord CVCC (US market)
1979-1982 Honda Prelude CVCC (US market)
1981-1985 Honda Vigor (JDM)

EK9 is not related to the EK engine - EK9 is simply the chassis code for 1996-2000 Honda Civic Hatchbacks.