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Thread: A.I.R. pump or no

  1. #1
    pimpin88's Avatar
    pimpin88 is offline Cadillac Owners Connoisseur
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    A.I.R. pump or no

    what are the positives, if any, and the negatives of removing the A.I.R. pump and hoses. every time i go to work on the car they are always getting in the way.

    all thoughts welcome


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  3. #2
    90Brougham350's Avatar
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    Re: A.I.R. pump or no

    AIR Injection is an air pump which puts air into the exhaust manifold to help burn unused fuel. Take the pump out and remove the internals and put it back in to keep the same belt. You can remove the hoses and lines from the manifolds and plug them with pipe fittings. However, you will want to remove your cat as you may end up with more unburnt fuel in the exhaust. The upside is that you won't be drawing power off the crank-pulley to run the belt and exhaust temps will be cooler. NODIH can add more!

    Brian

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    N0DIH's Avatar
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    Re: A.I.R. pump or no

    ECM won't know the difference. It doesn't have the processing power to check for it.

    Been there done that. I removed the AIR pump on my 307 when I dropped in a 350 Olds, stock ECM and it never knew.... I wasn't gonna drill my heads for those air manifolds to be bolted in, so I said screw it .

    I always suspected it ran a little rich after that though, I figured as the O2 sensor was counting on some of the O2 that it saw was from the AIR pump, which was not anymore. But it didn't hurt and never a check engine light.

  5. #4
    pimpin88's Avatar
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    Re: A.I.R. pump or no

    what can i plug the holes in the heads with. and then do all the vacuum lines also need to be plugged?

    its not going to be my daily driver any more. too much for gas. so im spending some time tearing some stuff down and cleaning and rebuilding

  6. #5
    90Brougham350's Avatar
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    Re: A.I.R. pump or no

    You can plug the holes with any sort of threaded plug. 20 thread count. The only thing you should leave should be the pump. Or, ditch the pump and get a smaller belt.

    Brian

  7. #6
    terrible one's Avatar
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    Re: A.I.R. pump or no

    Yeah if the pump is one of the problems with being in the way, as broughham350 said, you can ditch it and just run a smaller belt.

  8. #7
    pimpin88's Avatar
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    Re: A.I.R. pump or no

    why would i need a smaller belt? it doesnt run anything else beside the pump. does it?

  9. #8
    90Brougham350's Avatar
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    Re: A.I.R. pump or no

    Duh! Smack (hitting myself in the side of the head)! You have v-groove belts, correct? Now that the 85 is gone I'm used to a serpentine. By all means, if there is only one belt solely for running the pump, take the whole darn thing off!

    Brian

  10. #9
    terrible one's Avatar
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    Re: A.I.R. pump or no

    Hahahaha I was thinking the same thing I didn't know it had its own belt! Haha yeah just take it all off.


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