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Expert: sprinkles08 replied 4 years ago. Hello and welcome to JustAnswer! Yes, the 3.3 and 3.8 are interference engines. They have a timing chain instead of a timing belt though, I've never seen or heard of a timing chain breaking on a 3.3/3.8 and causing any valve damage.sprinkles08, Chrysler/Dodge/Jeep master tech.Category: Dodge.xpert: sprinkles08 replied 4 years ago. Hello and welcome to JustAnswer! Yes, the 3.3 and 3.8 are interference engines. They have a timing chain instead of a timing belt though, I've never seen or heard of a timing chain breaking on a 3.3/3.8 and causing any valve damage.
The Chrysler 1.8, 2.0, and 2.4 are inline-4 engines designed originally for the Dodge and Plymouth Neon compact car. These engines were loosely based on their predecessors, the Chrysler 2.2 & 2.5 engine, sharing the same 87.5 mm bore. The DOHC head was developed by Chrysler with input from the Chrysler-Lamborghini team that developed the Chrysler/Lamborghini Formula 1 V12 engine in the early 1990s.