Emissions with an old school engine...
Thread Starter
12 Second Club
iTrader: (23)
Joined: May 2007
Posts: 652
Likes: 0
From: San Antonio, TX
Emissions with an old school engine... As of right now, here in San Antonio, TX we dont have emissions but I hear they will be requiring in in the next year or two.
I dont think my car would pass being that its a 69' 327 with a carbed set up and its in a 96' TA.
What could I do to get it to pass with the current engine?
I dont think my car would pass being that its a 69' 327 with a carbed set up and its in a 96' TA.
What could I do to get it to pass with the current engine?
Well, if you find the guys that dot look under the hood as they are supposed to, and you dont have a big cam, you can just pit a brand new cat on and it should pass, mine have several times.
Thread Starter
12 Second Club
iTrader: (23)
Joined: May 2007
Posts: 652
Likes: 0
From: San Antonio, TX
If I keep the car the plan was to do heads & cam on it so it really wont be very quiet and more than likely it wont pass even with cats on it. But then again, wouldnt I be in the same boat if I got an Ls1 or lt1 and modded the heck out of it?
No. An engine of the same year as the vehicle or newer is emissions legal when stock with all emissions equipment. If you cam & mod it correctly and it's tuned right, it can pass.
10 Second Club
Joined: Oct 2007
Posts: 2,630
Likes: 28
Technically it is illegal to install an older engine into a newer car. You must install a '96 or newer engine into your car. Your car will have to pass whatever emissions regulations it came with from the factory when your state decides to switch over. I live in NY and it's pretty strict here. OBDII cars ('96 and newer) must get plugged into the DMV computer while the inspection is running. All of the stored info from the cars PCM is transferred to the state's DMV, ie: check engine codes, etc. Basically if your check engine light is on, your car will not pass. There are certain readiness states that have to be met, and so on. With OBDI cars ('95 and earlier) they simply get a visual check to verify if the emissions equipment is there. To be honest, they barely look for that stuff depending on where you go.
All of you guys that live in states where inspections are easy, take heed. EVENTUALLY all states will have the strict inspections going on.
Another thing that sucks about NY inspection is this....All of your inspection information is linked to your license plate and registration. A cop can run your plate and know if your sticker is valid or not. The days of swapping a "good" sticker are over. Even worse is that we have these "camera" cop cars that have 4 cameras mounted on them. 2 in the front and 2 in the back. The cameras automatically scan the cars ahead and behind and run the plates automatically, alerting the officer when there is a violation.
All of you guys that live in states where inspections are easy, take heed. EVENTUALLY all states will have the strict inspections going on.
Another thing that sucks about NY inspection is this....All of your inspection information is linked to your license plate and registration. A cop can run your plate and know if your sticker is valid or not. The days of swapping a "good" sticker are over. Even worse is that we have these "camera" cop cars that have 4 cameras mounted on them. 2 in the front and 2 in the back. The cameras automatically scan the cars ahead and behind and run the plates automatically, alerting the officer when there is a violation.
On The Tree
Joined: Nov 2008
Posts: 109
Likes: 0
I've got a friend withan 85 s-10 that passed in Ga. It failed the initial test bcause of the 434 sbc under the hood so he had to tke it to the central testing location. The first test failed because it only had headers and 1 chamber flowmasters. He went out to hs trailer in the parking lot and removed the mufflers and replaced them with cats and it passed the sniffer test so he got his sticker.Loud as hell but it passed! It went 5.70 eighth mile the next weekend!
Trending Topics
chevi hiperformance magazine had done some nice writeups on carb tuning for fuel economy and I think emissions also. if you get it tuned right then you generally get low emissions as well. You will need cats, after that the basics will probably get you by unless it's a radical cam or the idle obviously gives it away to where you can't blame it on the mufflers.
Run a hot thermostat, have hotter range spark plugs so they burn clean, tune the carb so it's leaned out in the idle and transition circuits, and advance the timing. If the test is with the car in park at idle then it should be easy, just tune the idle circuit lean. If they put it on the roller to simulate cruise condition, it will be under light load which you can also tune but watch the guy doing the test and make sure he doesn't screw around. He should ease into the throttle to simulate normal conditions, not blip the throttle to have fun with your car then make you fail. My state sucks for emissions, a bunch of corrupt racial *****. Tried to do the sniffer test on my 7.3L diesel f250, couldn't figure it out then tried to fail me until a supervisor came out and explained it was a diesel, the sniffer was for gasoline engines. The best thing that ever happened was they shut down the state emissions for 2 years to revamp it. What you should do is since it's a 96 with a computer and that's what they would look for initially, see if you can edit the **** out of it so it'll simply report no codes when they plug into it, they won't know it's not running the engine.
Run a hot thermostat, have hotter range spark plugs so they burn clean, tune the carb so it's leaned out in the idle and transition circuits, and advance the timing. If the test is with the car in park at idle then it should be easy, just tune the idle circuit lean. If they put it on the roller to simulate cruise condition, it will be under light load which you can also tune but watch the guy doing the test and make sure he doesn't screw around. He should ease into the throttle to simulate normal conditions, not blip the throttle to have fun with your car then make you fail. My state sucks for emissions, a bunch of corrupt racial *****. Tried to do the sniffer test on my 7.3L diesel f250, couldn't figure it out then tried to fail me until a supervisor came out and explained it was a diesel, the sniffer was for gasoline engines. The best thing that ever happened was they shut down the state emissions for 2 years to revamp it. What you should do is since it's a 96 with a computer and that's what they would look for initially, see if you can edit the **** out of it so it'll simply report no codes when they plug into it, they won't know it's not running the engine.
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo Thread Starter
12 Second Club
iTrader: (23)
Joined: May 2007
Posts: 652
Likes: 0
From: San Antonio, TX
Thanks for all the advice guys, a friend of mine said when it gets here he might try to experiment with propane to get it to pass. Anyway, im hoping to sell it before I have to pass emissions or maybe just put an lsx in it.
