Shifterati

Toyota ZZ engine

This page is a draft. It has not been approved yet, so read it with care.

Toyota's 1.8L aluminium fours that replaced the A family, including the high-revving 2ZZ-GE of the Celica GT-S.

The story

History: facts, each with its source

The ZZ family replaced the iron-block 4A and 7A. The Celica GT had the 1ZZ-FE at 140 hp and the GT-S the 2ZZ-GE at 180 hp, from 2000 to 2005.1,2

Yamaha developed the 2ZZ-GE's block, with composite cylinder liners. Its VVTL-i switches to a second cam profile with more lift at high revs.1

  • Block: Die-cast aluminium, with thin iron liners in the 1ZZ-FE and metal matrix composite liners in the 2ZZ-GE1
  • Valvetrain: Twin overhead cams driven by a chain, four valves per cylinder1

Sources

  1. Wikipedia (ZZ engine)
  2. Wikipedia (Celica)