LT1-LT4 Modifications 1993-97 Gen II Small Block V8

!Air Pump

Thread Tools
 
Search this Thread
 
Old Dec 22, 2007 | 08:26 AM
  #1  
haperry678's Avatar
Thread Starter
Staging Lane
iTrader: (2)
 
Joined: Nov 2007
Posts: 67
Likes: 0
From: Gastonia, NC
Default !Air Pump

Has anyone done an air pump delete? I'm sure it can be done I'm just not sure what all it will effect. Is there a way to program the ECU to not throw a check engine light? This is an OBD-2 car and I'm trying to stay as leagel as possible I just dont like all the vacume hose and all that other crap.
Reply
Old Dec 22, 2007 | 09:05 AM
  #2  
LTwonZ's Avatar
12 Second Club
iTrader: (1)
 
Joined: Aug 2004
Posts: 450
Likes: 0
From: Ft. Wayne, IN
Default

Pull it off the car it won't throw a code. I've had mine off for about 5 years.
Reply
Old Dec 22, 2007 | 09:17 AM
  #3  
haperry678's Avatar
Thread Starter
Staging Lane
iTrader: (2)
 
Joined: Nov 2007
Posts: 67
Likes: 0
From: Gastonia, NC
Default

Originally Posted by LTwonZ
Pull it off the car it won't throw a code. I've had mine off for about 5 years.
How did you plug the holes in the intake and stuff? 93 is OBD-1 mine is out of a 96 witch is OBD-2. I'm sure you know that but is there any differance with the sensors and whot not?
Reply
Old Dec 22, 2007 | 09:20 AM
  #4  
projekt70chevelle's Avatar
TECH Regular
iTrader: (4)
 
Joined: Mar 2006
Posts: 479
Likes: 0
Default

Originally Posted by LTwonZ
Pull it off the car it won't throw a code. I've had mine off for about 5 years.
Yeah i took mine off too and havent set a code, but he is a 97 with OBDII (where as you and i are OBDI). If your trying to stay legal and have emissions testing where your at, i think that the air pump is an essential part to staying emissions friendly unless you get a tune. I live in the FL so i just tossed it, but i would see how strict they are where you live first.
Reply
Old Dec 22, 2007 | 09:26 AM
  #5  
haperry678's Avatar
Thread Starter
Staging Lane
iTrader: (2)
 
Joined: Nov 2007
Posts: 67
Likes: 0
From: Gastonia, NC
Default

I'm in NC and I'm an inspector. But up here they do OBD-2 testing. If your check engine light is on or you have codes stored in the ECU you fail. There is no way around it unless somone know where I can get a tune for this. I'm going to have to have one anyway with the cam setup and all.
Reply
Old Dec 22, 2007 | 11:30 AM
  #6  
Alex94TAGT's Avatar
TECH Apprentice
 
Joined: Feb 2005
Posts: 384
Likes: 0
Default

OBD1 vehicles will not throw a code so long as there's a good AIR pump fuse in the underhood fuse box. OBD2 vehicles need to have the code shut off in the ECM switch table -- otherwise, you throw a code. If you're an inspector, then you know what to expect. You can get rid of the code, but you can still get into trouble if there's a visual inspection.

Removal of the physical components involves simply tearing out the AIR pump, pipes, hoses, and check valves -- then plugging up all the holes. You'll have one open inlet connection on the intake ductwork (which you can seal with a large vacuum cap or plug), and then the two connections to the headers/exhaust manifolds. 1996-1997 style AIR connections on the exhaust manifolds are different than in previous years. The headers have a female connection, into which screws a male-male adapter, onto which screws another female connection for the check valves.

I have the 1996 style connections, and I found some 3/4", grade-5 bolts at the hardware store to block them off. Others use drain plugs from NAPA. Still others just pinch the AIR pipes and fold them over to create a seal. Even more others have epoxied coins in the connections. Others weld 'em shut. There are many options -- whatever works...
Reply




All times are GMT -5. The time now is 04:02 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE