New Owner of 90 in Cali! - Failed Smog :(

[Route 66]

This is something you might try. And it wont cost much.
Get a bottle of Sea Foam [Most auto parts stores have it] siphon out the old gas put in the best high grade you have in your area. I would put in about 3/4 of a tank and add the can of Sea Foam. Put the Sea Foam in first so it will mix better. Go for a drive. Use your power key and open it up. Or if you want to see what has build up in your motor. Put some catch pans under both muffler weep holes.[weep hole will be at the lowest end of the muffler] With the power key on' run the RPM up a few times then let it idle for a while. [You might repeat the raising of the RPM a few times then idle it again.
A mechanic told me about Sea Foam. I have never cared much of engine additives but this one seem to work. The first time I used it was just after putting in new injectors. I let mine set in my shop and run for a while It left two black 6 inch carbon stains on my shop floor. I used it again a few days ago after getting my 405 HP working again. I now have a new set of stains.

California is a beautiful place to live I like it there but too dam many rules. It's not as pretty in the armpit of America but we have more freedom. Fast car's being one of them.
There are some good people on here that might have a better solution to your problem. This one worked for me.
Good luck with the inspection.

[efnfast]

Don't forget, Chevy convinced the feds to let them do all the emission stuff with the power key off.

[Z51JEFF]

I’m here in Ca and I dread the smog mombo every time it comes around. The problem is the State keeps lowering the max levels,my bone stock 91 with I think it was 17,000 miles failed twice. When I got my car it had 6000 miles and that car with 6000 miles,bone stock virgin would fail today at the current levels. I can’t read the specs on the smog sheet here but it had to be the max Nox level that failed the car. Every time I go through the smog bull$hit I’ve got to jump through hoops,I’ve got a few thing I do to get it to pass,don’t like the idea of bending the rules but based on the State being so unreasonable with this I have no choice. I will say this,Marc Haibeck has the answers for this crap. My car now has 25,000 miles there’s a chance it could fail again,I found a good smog guy that’s seems to know what to do to get it to pass. If the State lowers the max limits anymore it might be time to look into a class action lawsuit. As far as the OP goes everything has to be just right for the car to pass.

[WARP TEN]

[QUOTE=Z51JEFF;284273]..........If the State lowers the max limits anymore it might be time to look into a class action lawsuit....... /QUOTE]

I am surprised that no one has done this yet. Or have they already but not been successful? One would think that once the car is built a state shouldn't be allowed to change the rules but obviously California has in order to achieve a political agenda and get all old cars off the road, even collector cars. Any California attorneys here have some insight on this? Just too much for a small group to go up against the government? Curious. --Bob

[jcruz]

Emissions inspections. Reason #63 why I moved from Virginia to Florida.

[jss06c6]

Texas requires emissions test until the car hits 25 yrs old, then it's safety inspection only. Obvious logic here is that the number of cars over 25 years old aren't a material contributor to emissions as a class of vehicle. Agree with the required safety checks, but old cars and modern emissions standards are a no win situation.

Sent from my XT1585 using ZR-1 Net Registry mobile app

[johnboy89]

Originally Posted by jss06c6

Texas requires emissions test until the car hits 25 yrs old, then it's safety inspection only. Obvious logic here is that the number of cars over 25 years old aren't a material contributor to emissions as a class of vehicle. Agree with the required safety checks, but old cars and modern emissions standards are a no win situation.

Sent from my XT1585 using ZR-1 Net Registry mobile app

This was the case in RI a few years ago, but now safety and emissions are exempt for Antiques. They completely got rid of the dynos and now only do a two speed idle test for pre-96.

[Ccmano]

Originally Posted by jss06c6

Texas requires emissions test until the car hits 25 yrs old, then it's safety inspection only. Obvious logic here is that the number of cars over 25 years old aren't a material contributor to emissions as a class of vehicle. Agree with the required safety checks, but old cars and modern emissions standards are a no win situation.

Sent from my XT1585 using ZR-1 Net Registry mobile app

We’re talking about California here, no logic is involved.
H

[Regimof3]

They made a polo green in 1990?

[gonzolt5]

Ugh. I just picked up my first ZR1 (in the Bay Area) and while replacing all the gaskets, seals, o-rings, O2 sensors, and injectors, I wired my secondaries permanently open before putting the plenum back on. Looks like I need to pull the plenum and change this back for the smog test next week.

I have a plan for rigging this up with a manual switch that will allow me to open / close the secondaries from the engine bay. The plan being that I only close them for smog tests. Has anyone else done something like this before? I plan to use a large carb spring, and a go kart throttle cable with a friction lock, both connected to the secondary levers under each side of the plenum.

-Gonzo