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Underbody braces, turbos and more!

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PostPosted: Tue May 10, 2011 11:52 pm 
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Joined: Tue Oct 24, 2006 3:09 pm
Posts: 4998
Location: Palm Springs: Too hot from June to Oct.!
Image
Car: 1987 Chevrolet Sprint 1.0L, naturally aspirated.
-California Air Resources Board (CARB) catalytic converter (Magnaflow)
-New MCS in carburetor
-Timing at 9 before TDC
-no vacuum leaks
-fairly low compression:
Image
even so, she blew pretty clean.
viewtopic.php?p=372368#p372368
This car was not in a special 'test only' category, but like the man said, these tests seem to be 'coming soon to a theater near you'. Using your home tools, some careful thought, and some luck, you can pass any test they throw at you!
Image
It blew lower than average in all but the low RPM HC.
CO was 0.00/0.01 (low RPM/hi RPM)
NO was 108/42
Tech who ran the car was pretty impressed with how clean it blew.

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Mon May 16, 2011 6:37 pm 
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Location: Palm Springs: Too hot from June to Oct.!
The car above had an ignitor which was going out.
(It had a little hesitation at a certain rpm and on hard acceleration not cured by a new MCS.)
But it still passed the smog test. Since the new ignitor was installed, it runs much smoother.

Now let's test a DOHC:

Image

Today, this one blew about the same as the three cylinder above (HC 84/42 vs 99/57)
and the NOx is about the same.
It has a brand new CARB compliant cat, just like the one above.

Try using one of these:
Image
to check the CO coming out the exhaust before you run it down to the smog shop.

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Fri Jul 22, 2011 7:35 pm 
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Location: Palm Springs: Too hot from June to Oct.!
Here's another one.
Image
'94 Swift GA
t3 ragtop wants this shell, as it's rust free.
Compression in 2007 wasn't the greatest:
Image
and it is due for a rebuild.
(gutless wonder; doesn't use much oil though)
Taking a page out of wizewun's book, we installed a Magnaflow CARB compliant cat.
Check out the numbers:
Image
HC is within range, even though the compression is low, but the CO and NOX is WAY BELOW average.
That's it for this year.
No smog tests til this time in 2012.
How low can YOU blow?
8)

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Sat Jul 23, 2011 2:08 am 
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Joined: Tue Jul 19, 2011 3:44 am
Posts: 77
Location: california
I have 6 cars, but all are emissions exempt. It took some doin' but I got there, and that's where I'll stay.


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PostPosted: Sat Jul 23, 2011 12:36 pm 
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Joined: Tue Dec 14, 2004 11:55 pm
Posts: 1257
Location: So. Calif
economizer wrote:
I have 6 cars, but all are emissions exempt. It took some doin' but I got there, and that's where I'll stay.

Because they're all 1975 or older, electric or diesel?

Question for all my California brothers - who has the best price on the CARB approved cat?
Thinking of doing a pre-emptive strike and order one for mine now in preparation for when it comes up for smog next March.

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1992 Geo metro, 1.0L 5spd, 511,000miles on original engine & trans
- First time engine work at 456K miles, bad headgasket. Rebuilt head, Felpro gasket installed.
- knuckles/hubs/brakes/13" wheels from a 2000 Metro, running 175 70R13
- New bearings and 1st/2nd synchros at 440.5K miles.
- MPGuino
- Averaging ~ 51MPG these days


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PostPosted: Sat Jul 23, 2011 3:23 pm 
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Location: Palm Springs: Too hot from June to Oct.!
Atlantic Muffler.
See what he quotes you over the phone (out the door, he pays the tax, blah blah blah) and PM me.

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Fri Jul 29, 2011 3:41 am 
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Joined: Tue Jul 19, 2011 3:44 am
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Location: california
yes, newest one is registered as 66 .....for the record anyway. :wink:


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PostPosted: Wed Nov 02, 2011 1:20 pm 
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Joined: Mon Aug 03, 2009 9:32 pm
Posts: 22
Location: Vancouver
Since you asked, here's mine. (91 Turbo) I hope I'm not treading on your original thread but my latest AirCare report has me a little concerned. Have not done a compression test yet but a couple of things have changed recently. Not getting that characteristic whoosh sound when upshifting and the revs are pulling back back. Is that the waste gate not doing its thing? I thought the turbo might not be spinning but I could spin it by hand easily when I took off the intake pipe to get at it. Did notice a tiny amount of clean oil in that area though (grrrr!!! rebuild soon?). I wonder if anyone has the time to check my readings and can recognize what's happening. Is my Cat Con toast? Compression/Ring problem? Turbo......? All 3? Starting to look for parts again. Another learning experience coming for sure. Thanks anyone..... This part >> I just added after some people commented on my spread sheet. This is just me copying all my AirCare reports over the years and tabulating them in one chart so you can see the worsening trend. With the hood open and me just blipping the throttle, should I be able to see the waste gate vacuum plunger opening the waste gate....or does it have to be under load? As always, eternally grateful to those whose experience and expertise are light years ahead of my own. And BTW, I think this testing process is a bit haphazard as evidenced by the irregular NOx readings (25, 1, 0 then back up again). But I am only concerned about the big jump this year - NOx going from 51 to 813...!?! WTF?? OK, I'll shut up now.


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If it was made by a human or robot, it can be fixed by a human.....but maybe a lot slower with a few missteps and wrongly ordered parts.


Last edited by skysurfer on Thu Nov 03, 2011 3:03 am, edited 2 times in total.

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PostPosted: Wed Nov 02, 2011 2:05 pm 
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Location: Palm Springs: Too hot from June to Oct.!
That's exactly why I started this thread.
Check out #4 and #11 here:
http://www.ratwell.com/mirror/interro/techgas.html
Nice 6 year overview of your engine!
California, we only get the current test results, however we can go online and look at our records
(most people don't know how) :oops: , or ask the tech who has the records in front of him when he does the testing.
Edited to add:
Here's another good link since you failed HC:
http://www.autohausaz.com/html/emission ... nsors.html
Also, you can check the catalytic converter using a laser type thermometer.
There are several you tube videos about the technique.

The more test results we post-no matter what Country, the better the database will become.

_________________
DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


Last edited by Phil N Ed on Wed Nov 02, 2011 6:13 pm, edited 1 time in total.

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PostPosted: Wed Nov 02, 2011 4:23 pm 
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Joined: Mon Nov 23, 2009 12:37 am
Posts: 1059
Location: Vancouver, Best Cannabis
may have to try and get one of those exhaust testers. my dad owns a 1991 GMC rally stx, 350ci, that fails aircare every single year. he deserves to waste his money getting it fixed at a shop.

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Silver 2000 Firefly 4DR; 16V SOHC, 3 to 5 speed swap, install PS and AC, remote and auto start, PL, PW, kill and start switch, Valentine 1, behind-bumper CAI, 55MM TB with coolant-bypass, polyurethane-fill engine/shifter mounts, modified to short shifter, upgraded electrical system, CS130 alternator, 90/160W headlights + relay mod, ceramic H4 plug/harness
To do: finish stereo, 4000K H4 HIDs, short block replacement
'sponsored' by Captain Crunch, Lordco, Felpro, Permatex, Royal Purple


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PostPosted: Sun Sep 30, 2012 3:03 pm 
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Joined: Sat Feb 04, 2012 10:00 pm
Posts: 41
Location: Modesto, CA
Vehicle: 1986 Suzuki Samurai, 1.3l 4cyl with Hitachi DFB306 carburettor.

MY first try. I failed due to the vacuum check valve missing on the vacuum line going from the TCAC thermostatic control to the intake manifold.
Image


I replaced the check valve and returned promply.
Image


The only things I could see causing these emissions is the original 26 year old MCS and an EGR valve that has a minor leak. Otherwise, I welcome your criticism.

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1986 Suzuki Samurai - in the works


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PostPosted: Sun Sep 30, 2012 4:14 pm 
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Location: Palm Springs: Too hot from June to Oct.!
Thanks for adding to our database with your 1.3L '86 Samurai test results.
Not bad for a 26 year old vehicle!
How old is the cat?

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Sun Sep 30, 2012 9:47 pm 
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Location: Modesto, CA
The catalytic converter is probably original. When I had the exhaust apart the back end of it looked clean and white. I could not see the front end at the time. By now you probably all noticed the 108ppm HC on my first 15mph run. I cringed when I saw that the max was 108ppm for HCs. :shock: fortunately it did better on the second run. 8)

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1986 Suzuki Samurai - in the works


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PostPosted: Wed Mar 06, 2013 11:16 am 
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Joined: Tue Oct 24, 2006 3:09 pm
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Location: Palm Springs: Too hot from June to Oct.!
Retest of first vehicle in thread (two years later):
Image
-new NGK V Power GR5's gapped at .040
-new air filter
-new Catrol 'Edge' 5W-30
-CARB cat now 2 years old
Other notables:
-car not driven hard til warmed up
-synthetic and new filters changed regularly
-stock engine, high speed final drive set (3.79s)

...thank you Teamswift :lol:

_________________
DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Thu Mar 07, 2013 3:43 pm 
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Location: Palm Springs: Too hot from June to Oct.!
Correction on above: NGK plugs were gapped at .045... :oops:

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Tue Apr 02, 2013 10:26 pm 
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Location: Santa Rosa, CA USA
2013/14 Smog Test Results

Image

Image


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PostPosted: Wed Apr 17, 2013 5:35 pm 
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Posts: 83
Location: Millsap, TX
Old post, but seems fun. Amazing how clean a +20 year old car can burn. For what I know, it's all factory.


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'91 Metro 3 cyl. 'vert. 5 speed beater, built as a fun daily driver.
'92 Metro 3 cyl. 'vert. Auto, all factory clean.
'92 Metro 3 cyl. 'vert. 5 speed beater back up.
'91 'vert with factory 160 hp 13B two rotor, Very clean RX-7.


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PostPosted: Sun Sep 21, 2014 10:59 am 
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Joined: Sat Dec 05, 2009 7:58 am
Posts: 756
Location: not here
I don't do emissions tests. I give the pieces of shit at ICBC an address just outside the mandatory emissions testing zone and I register my vehicles in other peoples' names. Mandatory Government Emissions Testing ends forever in British Columbia on December 31, 2014 anyway.


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PostPosted: Sat May 09, 2015 5:15 pm 
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Posts: 289
Location: Palm Springs, Calif
'87 Chevy Sprint NA
Stock 4 door

Image

HC measured 9 and 2 ppm (107/89 allowed)
CO measured 0.0 and 0.02 (.64 and .56 allowed)
NOx measured 562/419 (906/845 allowed).
First number is the low speed result; second number is the high speed result.

This engine is going on 10 years since last refresh.
The oil is very clean and there is little consumption between changes.
5W-30 Mobil 1 EP
Catalytic converter? CARB compliant CAT about 4 years old.

This smog test result tells me it is time to roll up my sleeves and get busy with the emissions equipment.
That EGR valve and/or its passages are probably getting clogged, or it could be the EGR modulator.
Maybe the carburetor is in need of a rebuild.

Still, in 15 years of driving the car, I am not complaining.
I don't know who has bad luck with Suzuki cars, but not me.
Odd ball items have occurred come to think of it:
-alternator went out in Oregon
-float valve stuck about 10 miles from home a few months ago...I didn't even bother to rebuild the carb. I just fixed the float valve. :lol:
People who post threads trashing Swifts, Metros, and Sprints probably approach their cars with a different attitude.
Or they don't know how to properly work on their cars.
You get an old one, clean it up, put it back to specs and take care of it, and she'll last for years.
You pay someone to do your dirty work and you may get screwed.

It isn't anything fancy to look at,
Image
but it gets the down the road just fine, thank you.
I'm not sure how fast it goes, but I did run the needle over to where the 7 or 8 o'clock position is once or twice.
Cops?
They don't even give me a second look.
There are too many high end cars on the road begging for a speeding ticket; why stop a Sprint?
Ha!

I'll admit I was a bit lax before taking it in for the 2015 smog test.
Next time I run it through the State's dyno/sniffer, hopefully that NOx will be down, down, down, to Chinatown.
Clean the EGR and put a new oxygen sensor on it.
Meanwhile, it's still clicking off decent mileage - 44+mpg on the last tank, and you can see I DON'T drive 55.
:twisted:

Smog tests don't scare me.
They used to.
If you know what you're doing and understand the fundamentals, you can get your cars to pass a smog test.
If your car burns clean, you'll see it when they sniff your tailpipe.
And this vehicle is OBD I - more difficult to maintain than the OBD II's.

My friends outside California?
They get REAL NERVOUS when I innocently offer to pay for them to run their car through a smog test station out here.

If they're great mechanics, these California smog tests will show how great they've brought their car into specs.
BTW: I'm talking about daily drivers, NOT vehicles modified for another purpose.
:mrgreen:

Who's afraid of the big bad smog???
:-P

Bring it on!


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PostPosted: Tue Sep 20, 2016 1:08 pm 
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Joined: Mon Jun 16, 2014 10:10 am
Posts: 289
Location: Palm Springs, Calif
I'm worried that California will confiscate my vehicle after yesterday's smog test.
It's almost an electric car type result!

Here's the vehicle:

Image


93 Geo Metro.

Here's the test:
Image

A few months back I replaced the timing belt.
Over the weekend, a new Magnaflow 332005 converter was installed.
Otherwise, the vehicle is bone stock.
Additionally, I had a new resonator installed because it has been running a straight pipe in that location for a few years - (we couldn't afford one previously).

It has been fed Mobil 1 since the rebuild back in 2007.
No regrets, looking back.
And I'm NOT a big vert fan.
But this car chooses to burn clean as a whistle years into the rebuild and 184,000+ miles on the clock.

Low speed: HC 2 parts per million and nothing in the CO and NOx.
High speed: 0.05 parts per million CO and nothing in the HC and NOx categories.
:shock:
And - engine noise is practically nil at highway speeds.

That's one heck of a catalytic converter.
$200 installed.

How low does your engine blow?

:twisted:


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PostPosted: Sun Oct 16, 2016 9:24 am 
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Joined: Wed Aug 10, 2016 12:18 am
Posts: 12
Location: Sacramento
Hello there!

Is this a place to only post passed smog results, or can I post about failing smog and get some feedback?

Glad this thread exists!

Those low numbers BLOW my mind! =)


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