Pulling out the SMOG Crap!!
09-19-2003, 02:56 PM
#51
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Car: 1982 Trans Am
Engine: LG4
Transmission: 200C
Axle/Gears: 3:73
It depends on where you are if they check for the cat and other emissions equipment.
09-19-2003, 06:00 PM
#52
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Car: '86 Transmaro
Engine: 305 TPI
Transmission: 700R4
That's why many people hollow out their cat and run it like a straight pipe. Though it still looks like a cat is there.
06-04-2012, 05:01 AM
#53
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Car: 91 z28
Engine: 5.0
Transmission: 700r
Axle/Gears: 2.73
smog pump delete problems
removed all smog or air pump pieces. now its sluggish no power and looses throttle response then throws a code. dont know the code dont have a reader and dont think it will make it to the parts store. 91 z28 5.0 700r. all stock. if i get a performance chip will this help.
06-04-2012, 07:32 PM
#54
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Car: 1989 Firebird Formula
Engine: 385
Transmission: Full Manual TH350
Axle/Gears: Moser 9" 3.70
Re: smog pump delete problems
removed all smog or air pump pieces. now its sluggish no power and looses throttle response then throws a code. dont know the code dont have a reader and dont think it will make it to the parts store. 91 z28 5.0 700r. all stock. if i get a performance chip will this help.
Note that I run MAF (1989), and I had no problems or lost performance from removing my AIR, timeslips to verify. MAP on the other hand (1990 and up IIRC) I've heard it causes issues and lost performance.
06-05-2012, 06:21 PM
#55
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Car: 91 z28
Engine: 5.0
Transmission: 700r
Axle/Gears: 2.73
Re: Pulling out the SMOG Crap!!
I got code 43 put a resistor on the knock sensor wire then to ground no help. Starting touching everything. Only had it 4 months got to the distributor and found it was loose and retarded along way. Adjusted the timing and tightened the bolt runs great. Do i still need to prodram the ECM? Thanks for the help.
06-05-2012, 07:30 PM
#56
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Car: '88 Formula, '94 Corvette, '95 Bird
Engine: LC9, 355" LT1, LT1
Transmission: T5, Zf6, 4L60E
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Re: smog pump delete problems
I have no idea why Koon brought this one back up from the dead...
-- Joe
06-06-2012, 03:49 AM
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Car: 91 z28
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Re: Pulling out the SMOG Crap!!
Well its bc i couldnt figure out how to start a thread i could only add to them so i figured give it a shot. There is a ton of them with no solution. So i posted where i could and hope for some help.
06-06-2012, 11:18 AM
#58
06-08-2012, 04:11 AM
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Car: 91 z28
Engine: 5.0
Transmission: 700r
Axle/Gears: 2.73
Re: Pulling out the SMOG Crap!!
Pump came apart. We have no emmissions so less stuff to look at under the hood. And bc i wanted too.
07-28-2012, 03:14 AM
#60
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Car: 82 z28
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Re: Pulling out the SMOG Crap!!
maybe he better get a honda and leave the big boys alone, i bet my emission legal 82 z28 would spit **** on anything he could build,,,,,,,,,,,,,,,,,,,,,
08-09-2012, 12:37 AM
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Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: Pulling out the SMOG Crap!!
If your knowledge comes from automotive magazines, than I guess that explains your ignorance.
When you've owned a race shop for as long as I have, worked in dealerships, built dozens of motors, read as much sae documents as you can take, do your own dfi tuning, etc _THEN_ you can tell me i'm wrong.
And btw, my original statement was: "And sometimes the added backpressure of a cat can actually increase the performance of an engine." Which has been proven in the "magazines" as well. I don't think I ever said to use stock manifolds instead of headers, etc. But you decided to go off and list all the things that would absolutely positively be a negative restriction. Fine, if thats how you argue points than whatever.
But since your our new in house automotive expert, I'll back off now. Do you have a column in super chevy?
-- Joe
When you've owned a race shop for as long as I have, worked in dealerships, built dozens of motors, read as much sae documents as you can take, do your own dfi tuning, etc _THEN_ you can tell me i'm wrong.
And btw, my original statement was: "And sometimes the added backpressure of a cat can actually increase the performance of an engine." Which has been proven in the "magazines" as well. I don't think I ever said to use stock manifolds instead of headers, etc. But you decided to go off and list all the things that would absolutely positively be a negative restriction. Fine, if thats how you argue points than whatever.
But since your our new in house automotive expert, I'll back off now. Do you have a column in super chevy?
-- Joe
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