Unusual Vehicles/Engine Changes – Ask the Ref (2024)

Some vehicles require special smog inspection services.

Referees can inspect Specially Constructed Vehicles (kit cars), vehicles with engine changes, modified vehicles, and other vehicles with unusual operating characteristics or designs.

Specially Constructed Vehicles

A Specially Constructed Vehicle is legally defined as “a vehicle which is built for private use, not for resale, and is not constructed by a licensed manufacturer or remanufacturer.” Specially Constructed Vehicles include:

  • Kit cars
  • Vehicles built from a combination of new and used parts
  • Dismantled vehicles that look completely different from the original

There are special laws and regulations associated with registering Specially Constructed Vehicles. In addition to the regular DMV registration process, these vehicles must be inspected by a Smog Check Referee prior to being registered and, if required, must pass a smog check.

Obtaining an SB100 Certificate

An SB100 certificate allows you to register your specially constructed vehicle as brand new (called a SPCN), but exempted as if it were a 1965 or older model. The DMV gives out 500 SB100 certificates a year on a first-come, first-serve basis. There are four steps to apply for an SB 100 certificate:

  1. Fill out the paperwork,including an “Application for Registration” and a “Statement of Facts” form, which are available at the DMV. Once complete, you will be assigned a SB 100 number.
  2. Set up an appointmentat a California Highway Patrol officeto obtain a VIN number. Bring all paperwork and receipts showing VIN numbers for your vehicle’s engine, transmission, and other components.
  3. Make an appointmentwith a Smog Check Referee to get an inspection.
  4. Bring all paperwork back to the DMV, where you will receive your plates. Be sure to keep copies of all paperwork that you receive during the registration process.

Engine changes and modified vehicles

If you changed your vehicle’s engine and it is now different than the engine originally installed in the vehicle, or if you modified your vehicle with aftermarket parts, you may be required to have your smog check performed by a Referee.

Resources

Find out more about engine changes on page 45 (Appendix D) of the Smog Check Reference Guide:BAR Engine Change Guidelines.

Unusual Vehicles/Engine Changes – Ask the Ref (2024)

FAQs

Why does my car have to go to a referee? ›

The following are some of the reasons why you would make a Referee appointment: The vehicle recently failed a Smog Check and you do not agree with the inspection results. You would like to apply to receive a Repair Cost Waiver. The vehicle engine has been changed.

What is a smog referee? ›

Smog Referees work with the public, perform inspections and testing of vehicles for smog certification, and help train community college students for careers in the smog check field.

What years are exempt from California smog? ›

Your vehicle does not need a smog inspection if your:

Gasoline-powered vehicle is a 1975 year model or older (This includes motorcycles and trailers.) Diesel-powered vehicle is a 1997 and older year model OR with a Gross Vehicle Weight of more than 14,000 pounds.

Why would a car fail the smog test? ›

Vehicles can fail a Smog Check for any number of reasons, some common reasons for failing a smog check include: Excessive tailpipe emissions. Modified with non-approved parts or computer programing. Check Engine light or OBD monitor failures.

What if I don't have referees? ›

As long as you can find a trusted contact who will speak positively about your character, you can supply a reference. Even if you've only interacted with someone a few times, they can still act as a reference. Make a list of people you've interacted with besides family.

How do you deal with unfair referees? ›

What To Do About A Poor Referee
  1. You are providing a poor role-model to your players. ...
  2. Youth referees are often young themselves. ...
  3. Referees are human. ...
  4. Build a rapport. ...
  5. Treat them with respect. ...
  6. Treat the referees like you would want to be treated. ...
  7. Ask a question after the game. ...
  8. Understand you may be the one who is wrong.

What is the 25 year rule for smog? ›

California describes a “classic car” as a vehicle that is at least 25 years old. This distinction is made due to the fact that cars built before 1975 are excused from the California Smog Certification Program.

Will CA give you $1200 if your car doesn't pass smog? ›

Eligible consumers may receive up to $1,200 in emissions-related repairs at a STAR test-and-repair station if their vehicle fails its biennial Smog Check inspection.

Does a 35 year old car need smog in California? ›

Collector motor vehicles are exempted from some portions of smog check, provided they meet certain criteria: the owner must be able to demonstrate that the vehicle is insured as a collector vehicle; the vehicle must be at least 35 years old (e.g., 1986 model year); the vehicle must comply with exhaust emissions ...

Can you pass smog with a check engine light in California? ›

All of these things contribute to the emissions your car, truck, or SUV releases into the environment, which is why when the check engine light turns on your smog test results are guaranteed to be “fail.” California is strict on emissions, and your vehicle won't pass the smog test if there is an issue with the exhaust ...

Does California DMV waive smog check? ›

California law exempts vehicles eight model years and newer from a biennial Smog Check. In lieu of a Smog Check, owners of these vehicles are required to pay an abatement fee as part of their registration fee to the Department of Motor Vehicles.

Should you get an oil change before or after smog? ›

Dirty oil can trigger a failed smog test, so it's wise first to get an oil change. While your car is in the shop, ask the mechanic to visually inspect the engine for any cracked, broken, or loose hoses that could contribute to higher emissions.

Why does a car dealership need references? ›

Get Car Financing

On top of that, they require a list of personal references. The purpose for these references is so the lender can verify that you are who you say you are, and have another way of contacting you.

What does state reffed mean on a car? ›

Basically - the ref program is designed to stop cars with illegal mods.. You cannot drive the car until the ref signs off that it is corrected.... Like I said - if you don't REF it.. It will probably be impounded next time you are pulled over. You get charged the fees for reffing once..

What is the ref count on a car? ›

A rev counter simply shows the number of revolutions an engine's crankshaft (that's the rotating bit which converts the reciprocating motion [in a car's case, the up and down motion of the con-rods and pistons] to circular motion) is revolving per minute (RPM) – usually divided by 1000; i.e., 2 on a rev counter is ...

What happens if someone uses you as a reference for a car? ›

Listing someone as a personal reference doesn't mean they're responsible for your car loan, nor does it affect their credit score or mean that they're going to be spammed with car financing offers from dealerships. Their only responsibility is to answer basic questions asked by a lender if one reaches out to them.

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