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Topic: Emission control stuff gone

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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Emission control stuff gone (1/9)
 1/2/15 10:09pm
cinorLifetime Member
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, - Canada

Vette(s):
1975 L48 Stingray 1992 LT1


Joined: 12/24/2013
Posts: 414

So it is obvious that the emission part of the 75 has been removed, probably long ago.  Sooo my question is, is there a benefit to replacing it or not, it would simply be a lot easier to leave it all off, we do not have all the same rules as some of your states do so it would only be done if it changed how the car performed.  What are your thoughts?

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Re: Emission control stuff gone (2/9)
 1/2/15 11:21pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 19820

If you're not trying to keep the car original, and your laws don't require any of it, I say "Good Riddance"!! Wink
That crap won't actually help performance at all.

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Re: Emission control stuff gone (3/9)
 1/3/15 1:07am
F4Gary
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1040

+1 on leaving it off. Just clutters up the engine compartment.

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Re: Emission control stuff gone (4/9)
 1/3/15 1:07am
coles78
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Lock Haven, PA - USA

Vette(s):
1978 Corvette


Joined: 1/1/2015
Posts: 1

My personnel opinion about emissions control stuff is that they represent everything that went wrong in the 70s with performance. I have gotten rid of that power sucking equiptment long ago. I know there are a lot of purists that disagree with my thoughts, but my vette will be far from stock as far as the motor goes. If done right the motor will thank you.
Re: Emission control stuff gone (5/9)
 1/3/15 9:35am
cinorLifetime Member
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, - Canada

Vette(s):
1975 L48 Stingray 1992 LT1


Joined: 12/24/2013
Posts: 414

Thanks guys.  That's pretty much how I felt about it, good to hear you agree.  Car seems to be all original so far except for the usual little things, but the car when I'm done will be what I want and that doesn't necessarily mean original (assuming I can afford what I want)

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Re: Emission control stuff gone (6/9)
 1/3/15 10:09am
Gunslinger
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Frederick, MD - USA

Vette(s):
1969 convertible L71 427/435 4-speed black interior


Joined: 9/8/2003
Posts: 3398

When I had a '78 L82 the AIR was already gone. After a while I removed the EGR and the rest of the smog equipment...the car ran smoother and stronger. The cleaner appearing engine bay was a bonus.
Re: Emission control stuff gone (7/9)
 1/3/15 11:59am
Sarge81Lifetime Member
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WEST SENECA, NY - USA

Vette(s):
1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.


Joined: 12/3/2001
Posts: 2379

I agree with the above posters...no rules or laws like we have here in the Republik of Amerika.Ditch it. 

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Re: Emission control stuff gone (8/9)
 1/5/15 1:43pm
JMB
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Cohasset, MA - USA

Vette(s):
1968 coupe bought in 1999, 2nd owner, 427 custom built, 4 speed (M20), 3:36 posi rear end, Recaro seats, Intro wheels, Nitto tires, Flowmasters, etc. Painted nite race metallic blue.


Joined: 1/5/2004
Posts: 36

Adams' Apple said: If you're not trying to keep the car original, and your laws don't require any of it, I say "Good Riddance"!! Wink
That crap won't actually help performance at all.



I agree.

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Re: Emission control stuff gone (9/9)
 4/28/21 7:39pm
eusurp
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Jaffrey, NH - USA

Vette(s):
1980 T Top Maroon 350 Corvette


Joined: 4/28/2021
Posts: 1

I have emissions/vacuum question.  With so much vacuum operated stuff---dampers---headlights...whatever on my 80 C3...will removing the emission stuff affect those operations at all?  I put a block off plate on the EGR and assume I ahve to jsut plug the vac lines that are associated with that...air pump....other vac parts?  HUH???  Quite a few lines to terminate or fully remove/plug/ reroute....what manual do you reference for that stuff?

 

Thanks in advance....rear emergency brake rebuild was a snap compared to replacing the heater core and blower....yikes!!

 

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