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Re: 2.2 to 2.4
3 different engine families used in 1982-2005 Cavaliers.1 is the old 1.8/2.0/2.2 "junkyard" OHV design.This engine being an awful lot like the 2.5 GM "Iron Duke"/TECH4 engine(nothing interchanges though,its from another engine family),only with an aluminum cylinder head.2 is the Quad-4.GMs first DOHC/16 Valve 4cylinder made in-house (the Cosworth Vega was outsourced).3 is the Current EcoTec 4.Also used in Cobalt and Saturn ION cars.Nothing will swap from any of these engines.
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