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Old Oct 12, 2007 | 10:47 AM
  #1  
flaming-ford's Avatar
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From: Ohio, near columbus
Car: 89 iroc-z
Engine: 305tpi
Transmission: wc-t5
Axle/Gears: 10 bolt 3.08 posi (4 now)
airpump

hey guys, i just got rid of my annoying air stuff on my 1989 iroc-z

welded the headers closed and all that bs. Anyways i'm curious if theres any reason why i cant just leave the air pump on it, i mean yah it pumps all the time but, i cant imagine it taking much power to pump air as slowly as it does.

+ i deleted it on my last camaro and had to route the belt differently which ended up being pretty floppy after i was done (crank all the way up to the a/c).

anyways just wondered if theres any adverse affect to running the pump without the smog stuff hooked up anymore
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Old Oct 12, 2007 | 02:56 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It'll be noisy, but no problem beyond that.
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Old Oct 12, 2007 | 03:00 PM
  #3  
flaming-ford's Avatar
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From: Ohio, near columbus
Car: 89 iroc-z
Engine: 305tpi
Transmission: wc-t5
Axle/Gears: 10 bolt 3.08 posi (4 now)
Re: airpump

great i noticed its a little noisy but, thats not a problem the whole car is noisy and these cars werent exactly made for flaweless ride and comfort so im ok with that. Thanks five7
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Old Oct 13, 2007 | 12:13 AM
  #4  
Pat Hall's Avatar
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From: Roy,UT USA
Re: airpump

You can always do what I did. Take the smog pump apart and gut the internals, which essentially turns it into a big idler pulley. I was going to buy the delete pulley, but I figured why spend the money on that, not to mention I'd still have to figure out a different size belt for it. Gutting the pump was free. You'll need a shop press to do it, but it's easy if you have access to a press. You need the press to remove the hub that the three pulley bolts attach to. Then you can split the two halfes of the case. There's a shaft that runs through it, and one bearing. I just removed all the crap in the middle, then reassembled the two halfes of the case with the shaft and bearing, and pressed the pulley hub back on. It works great as an idler pulley now and doesn't make any noise at all. Another plus in a way is if a smog tech looks under the hood, the pump is still there. I like the idea of it being a free mod, and also the fact that you can still run the proper size belt. When I get around to it, I'm going to make a little block off plate to bolt to the back of it where the tube used to go, just to keep water and other junk from getting inside it.
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