1ZZ-FE

4 cylinders
79mm bore x 91.5mm stroke, 1794cc, 16 valve DOHC narrow angle
US: 120HP, Japan: 130hp (with VVT-i)

Open deck, die-cast aluminum block with cast iron cylinder liners
Full size main bearing girdle with cast iron bearing caps
Laser clad valve seats (read "very thin") allow larger 
intake and exhaust valves.
10:1 CR, "generous tapered squish area", runs on 87 octane (US).
Intake in front, exhaust in back, intake manifold apparently tuned
  for low & midrange power. Exhaust manifold very short 4-into-1.
77 pounds (27%) lighter than 7A-FE
Originally designed as a gasoline direct-injection engine
Sequential multiport fuel injection
Direct Ignition System
Uses a timing chain.

Thanks to: 
Jeff Watson ([email protected])
Chris Conlon