Quote:
Originally Posted by The Rooster
Yep, 22R is a 2.4L. The 20R was the 2.2L. No sure why Toyota designated them like that.
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The 22R is 2366 cc per the manual, so the difference between calling it a 2.3L or 2.4L is kinda splitting hairs.
The engine numbers are historic, upgrades of the basic R series engine design:
Toyota R engine - Wikipedia, the free encyclopedia