How could one go about making a RoW 930 pass state emissions test..

[93097004xx]

Wondering if you had thermal reactors.. or TR replacement pipes.. US fuel head.

I am reading where some modded CIS cars have passed California smog WITHOUT thermal reactors..

Is this possible?

Leaning the fuel mixture before the test I'm sure is part of this trick.


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[Rawknees'Turbo]

It really depends on the emissions standards of where you live (and if there is a "visual" component - is it a requirement to have all the emissions gear on the car that it came with?). For example, many years ago, when my 1987 still got tail pipe tested (different than how Paul, IcyHotness, Jeff, Rich, Kevin, Deez, etc., test their "tailpipes" ), my car was well under the allowable limits, even without the catalytic converter, air injection system, or any of the other emissions gadgets).

Leaning the idle mixture out can help, but if you have the Lambda fuel head, and that system is hooked up (the O2 sensor plugged in) and working, then the K-Jet control module self-leans at idle and low RPM cruising (the 2500 RPM, rolling road component of a typical test).

[gumba]

My '79 use to pass CA smog (2009) with SSI's. I would have Jerry Woods take it to the smog station. They would lean it out a bit prior to the test.
Ca has the visual as well as the smog. I had CIS, 12 plug distributor, working smog pump etc.

[356911930]

Your 1979 930 is non-catalyst, correct?

Very few smog stations will know what thermal reactors look like or where the thermal reactors mount. They are not standard smog equipment. If questioned you could point to your "shortie" pipes if you have them and say they are TR. Full on headers may be a problem.

Top of my engine is COMPLETELY stock, bottom had factory heatexchangers at the time, no TR.

I take all my cars to the same test station, ie the guy knows me and does not ask many questions...

Rahl

[Speedy Squirrel]

There is no way. The VIN will identify the vehicle as a non-US car. Game over, unless you have some DOT paperwork. You can't just bring in cars from anywhere, otherwise, I'd have a Brazilian VW.

[93097004xx]

Originally Posted by Speedy Squirrel

There is no way. The VIN will identify the vehicle as a non-US car. Game over, unless you have some DOT paperwork. You can't just bring in cars from anywhere, otherwise, I'd have a Brazilian VW.

Those laws are gone. Anything after 30 years the federal laws exempt. So you can bring a car from anywhere in the world RoW, Far East, Brazil, Russia ect into California as long as it's 1987 or older. It does however have to pass California emissions.

[gumba]

Mine a was a non catalyst. It was a Ca car that had the tr on when I bought it in '06. 3.5 twin plug dynoed at 390 h.p. Always pasted smog with a minor a.f. Adjust.

[93097004xx]

What about this scenario

TR replacement pipes
Leaned out fuel mixture
Run 5 gallons of E85

Drive car gingerly to test center (no boost rpms kept to 2000 or less)

I'm thinking this may greatly make the car run cleaner.

Clean enough to pass state emissions.

How much different are Euro fuel heads to US fuel heads?

[Matt Monson]

Replace the TRs with a pair of modern high flow metal substrate cats and I bet it will pass.

[Speedy Squirrel]

https://www.arb.ca.gov/html/master_faqs/vehicle_faqs/greymarket_cars_faq.htm

Originally Posted by 93097004xx

Those laws are gone. Anything after 30 years the federal laws exempt. So you can bring a car from anywhere in the world RoW, Far East, Brazil, Russia ect into California as long as it's 1987 or older. It does however have to pass California emissions.

[93097004xx]

Originally Posted by Speedy Squirrel

https://www.arb.ca.gov/html/master_faqs/vehicle_faqs/greymarket_cars_faq.htm

"1975 model year vehicles to the present: (EXCLUDING any vehicle obtained by a California resident within two years of its date of production) require a "Certificate of Conformance" issued by the ARB after a successful laboratory test. This test is administered to the same standards required of new vehicle manufacturers, and for the model year of the vehicle . However, unlike new vehicle manufacturers, as an individual you are not required to meet the full range of additional testing and equipment standards such as On-Board Diagnostic (OBD) requirements, durability testing, low emission fleet averaging, or Zero Emissions Vehicle testing (LEV and ZEV requirements). So while these standards reference what a manufacturer must do, when required by the Direct Import requirements they apply to individuals importing a used motor vehicle. Some limited exemptions apply to individuals moving to California with vehicles of these years registered in their home state for at least a year before moving to California. Contact us for more information.
Other important general notes: Grey Market vehicle regulations, like the new vehicle certification standards they are based on, are a performance standard and do not have specific equipment requirements. Whatever equipment the vehicle owner or vehicle modifier choose to make the vehicle pass the laboratory test, these will be the equipment requirements for all future inspections. In addition this means all vehicle and engine technologies are subject to the same standard. All fuels, all engine sizes, displacements, no. of cylinders, engine types and designs, even electric and hybrid vehicles must prove compliance by laboratory testing. Unlike California's basic Smog Check program, the Direct Import program does not have exemptions other than the original 1967 model year and older exclusion outlined above. And as a final note, these regulations only apply to passenger cars and light-duty trucks. Motorcycles and heavy-duty engines (used in trucks and buses) are required to comply with CA or USEPA from the date of manufacturer, no after-the-fact modification is permitted for products first sold outside the US market."




You have to meet the same emission standards for the year of your car.

This line is interesting...

"Some limited exemptions apply to individuals moving to California with vehicles of these years registered in their home state for at least a year before moving to California. Contact us for more information."

Looks like you can skip at least some of these certifications if you are moving to California with a currently owned and registered car.

I know this can done.

They're several cars I know were never intended for US market (late 1970s) being driven around California.



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[Rawknees'Turbo]

Originally Posted by 93097004xx

What about this scenario

TR replacement pipes
Leaned out fuel mixture
Run 5 gallons of E85

Drive car gingerly to test center (no boost rpms kept to 2000 or less)

I'm thinking this may greatly make the car run cleaner.

Clean enough to pass state emissions.

How much different are Euro fuel heads to US fuel heads?

You want to do just the opposite of what I highlighted - you want to show up at the test station with the cylinder heads, exhaust, oil, etc. as hot as possible (plenty of time driving with as much boost as you can) - tailpipe emissions are considerably less when everything is hot.

[flightlead404]

Originally Posted by Rawknees'Turbo

It really depends on the emissions standards of where you live (and if there is a "visual" component - is it a requirement to have all the emissions gear on the car that it came with?). For example, many years ago, when my 1987 still got tail pipe tested (different than how Paul, IcyHotness, Jeff, Rich, Kevin, Deez, etc., test their "tailpipes" ), my car was well under the allowable limits, even without the catalytic converter, air injection system, or any of the other emissions gadgets).

Leaning the idle mixture out can help, but if you have the Lambda fuel head, and that system is hooked up (the O2 sensor plugged in) and working, then the K-Jet control module self-leans at idle and low RPM cruising (the 2500 RPM, rolling road component of a typical test).

My old SC would pass the sniffer test with a rolling road no problem, but failed the visual. so I took the heat shield off an old catalytic converter and pop riveted the two halves together over the test pipe for the duration. Worked fine.

[93097004xx]

Originally Posted by flightlead404

My old SC would pass the sniffer test with a rolling road no problem, but failed the visual. so I took the heat shield off an old catalytic converter and pop riveted the two halves together over the test pipe for the duration. Worked fine.

Some states like Tennessee have made positive steps toward the collector car community.

A lot of states seem to be off in the right positive direction concerning collector cars and emissions.




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[Matt Monson]

So am I to understand you need to do this in CA? If so you will need to see a ref and get a bar sticker. Really no different than if you wanted to bring this car in 20 years ago.

[jwasbury]

My '79 passed NJ sniffer test with none of the factory emissions control garbage. This was at a state operated testing facility.

[356911930]

If you want a set of thermal reactors to pass the visual inspection I have a set I purchased to use on my car. Will sell for $150 shipped.

Rahl