C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Air Pump vs hp??

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Old Sep 19, 2007 | 10:23 AM
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Default Air Pump vs hp??

This winter I am planning to do a bit of work on the car ('93 LT1, automatic). I am wondering if I remove the air pump do I save much hp? and I guess is this a good idea? Also what is the weight savings?
Thanks guys, you've all been helpful in the past to this newbie.

Last edited by saber7469; Sep 19, 2007 at 10:32 AM. Reason: More info
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Old Sep 19, 2007 | 10:28 AM
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It may be a step in cleaning up your engine compartment, but the A.I.R. pump draws very little power. Except for the "clean car" syndrome, there will be no noticeable difference.

RACE ON!!!
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Old Sep 19, 2007 | 10:32 AM
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I believe your 93 is like my 95 and the air pump is not belt driven. Removing it will not add any horsepower. Removing it will clean up the enigne compartment and may throw a code. I removed mine along with the EGR system when I installed headers.


Last edited by rickneworleansla; Sep 19, 2007 at 10:36 AM.
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Old Sep 19, 2007 | 10:46 AM
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Originally Posted by CFI-EFI
It may be a step in cleaning up your engine compartment, but the A.I.R. pump draws very little power. Except for the "clean car" syndrome, there will be no noticeable difference.

RACE ON!!!
QFT.
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Old Sep 19, 2007 | 11:11 AM
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Nope.
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Old Sep 19, 2007 | 11:15 AM
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LTx motors used an electric AIR pump so you would not see any appreciable gain in HP by removing it. As far as weight, I think the pump is mostly plastic and the hoses are failry thin rubber tubes. Maybe 5-7 pounds total.

If you have to do smog/emissions testing, you will most likely need the AIR pump to pass especially if a visual test is done.
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Old Sep 19, 2007 | 11:40 AM
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It's electric and only runs for a few minutes after cold start up. You wouldn't be hammering on the car under these conditions anyways, so removing it won't do anything horsepower-wise.
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Old Sep 19, 2007 | 01:59 PM
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Thanks Guys, thanks for taking care of the new guy who's trying to learn.
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