Anyone remove their AIR sytem and care to comment how difficult it is to do it? How long does it take? I tried a search but nothing came up directly. Any negatives to doing this?

 

Please PM Englandgreen. He ahs successfuly accomplished this MOD!

BC

 

You have to remove intake unless you have very small hands/forearms for the rear bracket. No negatives to this mod, I did it myself in a few hours, it was not bad at all.

 

took mine off during h/c swap also removed air pump had code delete during tune
u will need to have codes deleted

 

I just took the air pump and everything else out. What codes need to be turned off in the tune?

 

don't know off the top of my head any good tuner should know i will try to look at work and get back too u

 

I think with hp tuners you can just turn off the air pump, thus not throwing any codes. Dont hold me to that.

 

i forgot i could look them up at home here is the codes p0410 p0412 p0418 p1415 p1416

 

LS1edit allows you to do it too. I had it done.

 

Thanks, thats the ones I turned off, just wanted to make sure.

 

Not hard at all to remove, just a little time consuming to get the pump itself out. Makes the engine bay cleaner and easier to work on.

 

I am considering purchasing a 1998 with the air pump removed. The kind of guy I am, I would buy a 2nd hand one, and install it to keep the car bone stock.

I wonder about this. Does the pump run off the serpentine belt? If so, how did you reroute the belt? Or does the pump run off a gear, or is it electrically driven?

If I have all the parts, how hard is it to install? This would help ease my mind about buying the car.

Thanks!

Ron

 

Pump is electric

 

It would be a headache to put all that stuff back, it's much easier to remove. I'd just leave it alone, it only effects cold start emmissions.

 

 

What exactly is the benifits of this mod ???

Thanks


DH

 

Removing 8-9lbs off the front end and also cleaning up the engine compartment. It makes plug changes MUCH easier.

 

OOOOhhhhhhhhhhh


DH

 

I would figure removing the pump would do nearly nothing in regards to performance as the pump is not belt driven. I recall in the old days, removing the fan belt to the pump gave a minor amount of extra engine power. It was one less thing the engine had to drive.

But you say the C5 air pump is electrically driven. How much more resistance does the alternator make when the pump is on? I would think the over-all power loss is peanuts. Also consider in 2001 the alternators on automatics were redesigned which may further help. The quote below is straight from 2001 press releases.

The alternator has a new clutch pulley that allows a reduction of engine idle speed on automatic-equipped Corvettes. This seemingly-small quality upgrade makes the car smoother and quieter in city driving, reduces or eliminates "idle creep" at stoplights and helps enable the improved fuel economy ratings already mentioned.

When the pump is running, I could see a possible increase in exhaust system back pressure, but even that must be nearly nothing. Given the Vette's power management inteligence, the pump may shut down anyway when extreme power is demanded. Also, I have felt how much air comes out of the pump on my 1983 Toyota pickup. I was surprised how little it is.

If you are running a stock arrangement, I would leave everything in place. You don't want to mess up your cats from this mod. They may run too cool, developing a build-up of soot. I understand the added fresh air into the exhaust manifolds adds oxygen to increase burn-off of spent fuel gases, making the exhaust gases cleaner. With that system disabled, the cats could slowly clog with soot over time. Then you'll be ripping the cats off from the loss of power. You'll be complaining GM doesn't know how to engineer cars, when that particular problem was caused by you.

If you were track racing, I'd be tempted to unplug the air pump during the race, but plug it back in for everyday driving. Again, assuming you kept the cats.

I would research this further before removing the air pump. This is my opinion, without intent to insult.

Ron

 

Removing the AIR "SYSTEM" is more for weight and looks. The AIR pums is electric and ONLY operates for a short time during start up to help the CAT's light off sooner when the engine is cold. It's an emissions enhancement thing. It shouldnt run after the engine warns up and or enters closed loop operation!!

It's only a hand full of parts and the pump is the biggest thing. (Which isny really that big!) Your probably only saving 10 mabe 12 lbs when its all said and done!

Bill C