The following is a list of popular SMALLER Domestic and Asian engines and whether they ARE OR ARE NOT interference type or not.
basically an interferance engine WILL allow the pistons to hit the valves if the timing chain or belt breaks because the basic design allows the pistons and valves to occupy the same internal space at different times, a non-interferance design generally allows the rotaing assembly to miss direct collision of moving components if it get out of time
Under the wrong conditions, any engine that jumps timing may be damaged. This applies to engines with a timing belt and engines that use a timing chain. Please consider this a guide only.
Acura
basically an interferance engine WILL allow the pistons to hit the valves if the timing chain or belt breaks because the basic design allows the pistons and valves to occupy the same internal space at different times, a non-interferance design generally allows the rotaing assembly to miss direct collision of moving components if it get out of time
Under the wrong conditions, any engine that jumps timing may be damaged. This applies to engines with a timing belt and engines that use a timing chain. Please consider this a guide only.
Acura
- All except SLX Interference
- SLX Non-Interference
- 1.4L, 1.5L & 1.6L Interference
- 1.7L Non-Interference
- 1.8L Interference
- 2.0L DOHC Interference
- 2.0L SOHC Interference
- 2.2L DOHC Interference
- 2.2L SOHC Non-Interference
- 2.22L SOHC Interference
- 2.3L Diesel Interference
- 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time)
- 2.4L SOHC Interference
- 2.5L 4 Cyl. Non-Interference
- 2.5L V6 Interference
- 3.0L SOHC 12 Valve Engine Non-Interference
- 3.0L DOHC Interference
- 3.0L SOHC 24 Valve Engine Interference
- 3.2L Interference
- 3.5L Interference
- 4.0L Interference
- 1.3L Non-Interference
- 1.6L DOHC Non-Interference
- 1.6L SOHC Interference
- 1.8L Non-Interference
- 1.9L Non-Interference
- 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference
- 2.0L DOHC (Probe) Interference
- 2.0L Diesel Interference
- 2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference
- 2.0L SOHC Gasoline (Capri, Pinto & Ranger) Non-Interference
- 2.2L Interference
- 2.3L Diesel Interference
- 2.3L SOHC Gasoline Non-Interference
- 2.4L Diesel Interference
- 2.5L SOHC 4 Cyl. Non-Interference
- 2.5L V6 Non-Interference
- 3.0L SOHC Interference
- 3.0L & 3.2L SHO Non-Interference
- 3.3L Interference
- 1.0L Interference
- 1.3L Interference
- 1.4L Non-Interference
- 1.5L Interference
- 1.6L (Chevette & 1000) Non-Interference
- 1.6L (LeMans) Non-Interference
- 1.6L (Tracker 16 Valve) Interference
- 1.6L DOHC (Aveo) Interference
- 1.6L DOHC (Nova) Non-Interference
- 1.6L SOHC (Nova) Non-Interference
- 1.8L Diesel Interference
- 1.8L Gasoline Non-Interference
- 2.0L Non-Interference
- 2.2L Diesel Interference
- 2.3L Non-Interference
- 3.0L Interference
- 3.2L Interference
- 3.4L Non-Interference
- 3.5L Non-Interference
- 1.0L Interference
- 1.3L Interference
- 1.5L Interference
- 1.6L DOHC (1989-92 Prizm GSI) Non-Interference
- 1.6L DOHC (1989-97 Prizm Except 1989-92 GSI) Interference
- 1.6L DOHC (Storm) Interference
- 1.6L SOHC (Prizm) Non-Interference
- 1.6L SOHC (Storm) Non-Interference
- 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference
- 1.6L SOHC 16 Valve Engine (Tracker) Interference
- 1.8L DOHC (Prizm) Interference
- 1.8L DOHC (Storm) Interference
- Except 3.0L & 3.2L Interference
- 3.0L & 3.2L Non-Interference
- All Interference
- 3.0L & 3.3L Interference
- 1.5L Interference
- 1.6L DOHC Interference
- 1.6L SOHC Non-Interference
- 1.8L Diesel Interference
- 1.8L DOHC Gasoline Interference
- 2.0L Interference
- 2.2L Diesel Interference
- 2.2L Gasoline Interference
- 2.3L Interference
- 2.6L Interference
- 3.2L Non-Interference
- 3.5L Non-Interference
- 2.0L Non-Interference
- 2.1L Diesel Interference
- 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time)
- 2.8L Diesel Interference
- 1.5L DOHC Interference
- 1.6L DOHC Interference
- 1.6L SOHC Non-Interference
- 1.8L DOHC Interference
- 2.0L DOHC Interference
- 2.0L SOHC Non-Interference
- 2.4L DOHC Interference
- 2.5L DOHC Interference
- 2.7L DOHC Interference
- 3.5L DOHC Interference
- 2.5L Non-Interference
- 3.0L V6 Non-Interference
- 3.3L V6 Non-Interference
- 3.0L Inline 6 (1992-97) Non-Interference
- 3.0L Inline 6 VVT-i (1998-2006) Interference
- 4.0L Interference
- 4.3L Interference
- 4.7L Interference
- 1.5L Non-Interference
- 1.6L Non-Interference
- 1.8L 4 Cyl. Non-Interference
- 1.8L V6 Non-Interference
- 2.0L Diesel Interference
- 2.0L DOHC (626, MX-6 & Protege) Interference
- 2.0L DOHC (Tribute) Non-Interference
- 2.0L SOHC Non-Interference
- 2.2L Interference
- 2.3L 4 Cyl. (B2300) Non-Interference
- 2.3L V6 Non-Interference
- 2.5L 4 Cyl. (B2500) Non-Interference
- 2.5L V6 Non-Interference
- 3.0L DOHC Interference
- 3.0L SOHC Interference
- 1.5L Interference
- 1.6L DOHC Interference
- 1.6L SOHC Interference
- 1.8L Interference
- 2.0L DOHC Interference
- 2.0L SOHC Interference
- 2.3L Diesel Interference
- 2.4L DOHC Interference
- 2.4L SOHC Interference
- 3.0L DOHC Interference
- 3.0L SOHC 12 Valve Engine Non-Interference
- 3.0L SOHC 24 Valve Engine Interference
- 3.5L DOHC Interference
- 3.5L SOHC Interference
- 3.8L Interference
- All Interference
- DOHC Interference
- SOHC Non-Interference
- 1.3L DOHC Interference
- 1.3L SOHC Interference
- 1.6L 8 Valve Engine Non-Interference
- 1.6L 16 Valve Engine Interference
- 2.0L DOHC Interference
- 1.5L (1A-C, 3A-C & 3E) Interference
- 1.5L (3E-E & 5E-FE) Non-Interference
- 1.6L DOHC (4A-F & 4A-FE) Interference
- 1.6L DOHC (4A-GE & 4A-GZE) Non-Interference
- 1.6L SOHC Non-Interference
- 1.8L Diesel Interference
- 1.8L DOHC Gasoline Interference
- 2.0L Non-Interference
- 2.2L Diesel Interference
- 2.2L Gasoline Non-Interference
- 2.4L Diesel Interference
- 2.5L Non-Interference
- 2.8L Non-Interference
- 3.0L Inline 6 (Except 1998 2JZ-GE) Non-Interference
- 3.0L Inline 6 VVT-i (1998 2JZ-GE) Interference
- 3.0L V6 Non-Interference
- 3.3L V6 Conflicting information, treat as though interference
- 3.4L Non-Interference
- 4.7L Interference
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