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Originally Posted by pedrolourenco This is allowed in countries like the US. You mean to say their laws are not bothered about reliability / road worthiness / safety aspects of a car? |
Which US??? The one which doesn't let people upgrade headlamp bulbs!
For Engine Swaps & Modifications every state in the US has its own law. But in California this would be the procedure:
You need to go to a Smog Referee, to get your car approved. In most cases the new engine must be an OE or factory produced unit & should be manufactured in the same or a newer year with regard to the year of production of the car, it's being installed in. The main job of the Referee is to look for all emission related issues & there compliance with the respective state code. Catalytic converter, etc must all be in place. They will verify that the engine emits CO2 within the legal range.
Then finally they would issue a badge or sticker & fix it on the car. This will identify the serial number of the new engine & serve as an indication that the engine is environmentally friendly.
Check out the following:
Unlawful Vehicle Modifications
Under traffic laws in most states, drivers may be given a traffic ticket for operating a vehicle that has been modified in violation of laws that regulate vehicle specifications and vehicle equipment. Examples of vehicle modifications that may result in a traffic ticket include:
Addition of non-standard lighting (neon lights, under-vehicle lights),
Alteration or removal of air pollution and emissions control device
Modification of vehicle ground clearance ("lowered" or "raised" vehicles),
Removal of mufflers and other sound-control devices, and
Window tinting (especially tinting of windshield or driver/front passenger side windows).
An unlawfully-modified vehicle can receive a traffic ticket for a mechanical violation. In some states, citations for certain unlawful vehicle modifications are considered "fix-it" tickets or "correctable violations." In California, for example, if you are given a "fix-it" ticket by a police officer, "yes" will be checked next to "Correctable Violation", and after the problem is fixed (i.e. you remove illegal under-car lights), you must get the signature of an authorized person (i.e. a local law enforcement officer) on the "Certificate of Correction" portion of the ticket. If you are issued a "fix-it" ticket for an unlawful vehicle modification in your state, read the ticket to determine whether you can mail the proof of correction, rather than taking it to court.
If the court accepts your correction, the case will be dismissed. But, if you fail to fix the problem within a short time after you receive a "fix-it" ticket, you will need to pay the fine for the unlawful vehicle modification, and you may be issued another ticket which will go on your record.
Source: Unlawful Vehicle Modifications - Learn About the Law
Also check: Google Answers: Street racing and engine modification laws in Cal.