Photo courtesy Bryan Zublin
The 2.2-liter, single overhead cam 20R has been a mainstay of American Toyota enthusiasts since its introduction in the late 1970s. A derivative of the original R engine of the 1950s, the 20R is a torquey engine that responds well to modifications. Street modders have been known to do very well with 20Rs in both Celicas and Toyota trucks, where they were standard equipment. Often, a good set of sidedraft carburetors and a tri-Y design header is enough to unleash the beast within...

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