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Wednesday, September 8, 2010

California - Replacement Engines - Japanese Replacement Engines - Engine Changes

A few rules that are good to know from the ARB website, in regards to replacement engines, Japanese engines, engine swapping, and uncontrolled vehicles.  

Replacement Engines

Entire engines can be replacement parts. As with any other replacement part, the engine must be identical to the original. If the replacement block or engine is obtained without emissions equipment, all the equipment from the original engine must be installed on the replacement block.
If the engine is not identical to the original then it is not a replacement part, instead it is considered an engine change.
Engine changes are a modification that must meet certain requirements to be legal (please see "Engine Changes").

Japanese Replacement Engines

Used engines imported from Japan can be used as replacement engines as long as the engine being used has been identified as functionally identical to the original engine. Please refer to the engine importers catalogue to determine if a replacement engine is legal for installation in your vehicle.

Engine Changes

Engine changes are legal as long as the following requirements are met to ensure that the change does not increase pollution from the vehicle:

* The engine must be the same year or newer than the vehicle.

* The engine must be from the same type of vehicle (passenger car, light-duty truck, heavy-duty truck, etc.) based on gross vehicle weight.

* If the vehicle is a California certified vehicle then the engine must also be a California certified engine.

* All emissions control equipment must remain on the installed engine.

* Vehicles converted to 100% electric drive, with all power supplied by on-board batteries are considered in compliance with the engine change requirements. All fuel system components must be removed prior to inspection. For additional information contact the ARB helpline at (800) 242-4450

After an engine change, vehicles must first be inspected by a state referee station. The vehicle will be inspected to ensure that all the equipment required is in place, and vehicle will be emissions tested subject to the specifications of the installed engine.

Exemptions for Uncontrolled Vehicles

Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles. Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles.

Uncontrolled vehicles may have any aftermarket add-on or modified part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle. Uncontrolled vehicles must retain any original or retrofit crankcase control (PCV) devices and NOx device required for the year of the vehicle.
The following vehicles are considered uncontrolled vehicles:

* 1965 and Older : U.S. Manufactured California Certified Vehicles

* 1967 and Older: U.S. Manufactured Federally Certified Vehicles

* 1967 and Older: Foreign Manufactured Vehicles

Source: ARB Website


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