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

Air pump eliminator

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Old Dec 1, 2004 | 10:57 AM
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Default Air pump eliminator

Saw it on the forum store, any thoughts about this? they claim 20 lb reduction with 20 hp? bs or good investment of 170 bucks?
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Old Dec 1, 2004 | 01:18 PM
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The only thing that will be lighter will be your billfold. The air pump does not weigh more than 5 pounds, and takes less than 1 HP to drive. In addition, I understand that it's only active during cold warm-up, so during normal driving it just exists. The only reason I've heard for removing the thing is to clean up the engine compartment. Definitely NOT worth $170. You could send me the $170 and I'll mail you back instructions on how to remove it ...
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Old Dec 1, 2004 | 02:43 PM
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Doesn't it help keep the cats working during warm up?
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Old Dec 1, 2004 | 03:27 PM
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if you remove it you must put something in place of it though. might just be another mod you can do on your own if you put together the right parts, these guys must have just done it for you and sold it on the internet.
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Old Dec 1, 2004 | 03:58 PM
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Originally Posted by SilverBeast
The only thing that will be lighter will be your billfold. The air pump does not weigh more than 5 pounds, and takes less than 1 HP to drive. In addition, I understand that it's only active during cold warm-up, so during normal driving it just exists. The only reason I've heard for removing the thing is to clean up the engine compartment. Definitely NOT worth $170. You could send me the $170 and I'll mail you back instructions on how to remove it ...

I think that's the half truth...

I think the 20 HP gain and 20 Lbs reduction comes from eliminating the AIR system and its components. Once the AIR system is gone, removing the AIR pump is optional, and most do it only to "clean up the engine bay"

at least that's what I think...
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Old Dec 1, 2004 | 10:53 PM
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just open up the air pump and gut out the internals....reinstall and you have an instant eliminator.....that'll be $170 for the advice
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Old Dec 2, 2004 | 09:03 AM
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The bottom line is: no matter what you do to the Air Pump (AIR system) you are NOT going to get an additional 20 horsepower.
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Old Dec 2, 2004 | 09:16 AM
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100%....20 horses is alot...think of the air pump as robbing the same amount as the alternator...a lil, but not enough to notice any "seat of the pants" improvement. i doubt the clock at the strip will even be able to tell the difference.
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Old Dec 3, 2004 | 06:37 PM
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Originally Posted by BDVETTE96
Saw it on the forum store, any thoughts about this? they claim 20 lb reduction with 20 hp? bs or good investment of 170 bucks?
check this unit...
http://forums.corvetteforum.com/show...ght=korvette4u
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Old Dec 3, 2004 | 06:58 PM
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The AIR pump is meant to heat up the converters and get them working before the engine is up to temperature, so its main purpose is emissions on cold startup. Once the cats are hot, it really doesnt do much.

The eliminator wont free up any power, its sitting where the original sits, but it does free up a little weight after removing the AIR pipes and components. Its good for cleaning up the engine bay as well.
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Old Dec 3, 2004 | 07:55 PM
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basically it just sounds like something to do if u want to, nothing anyone would need to do for real hp gains.
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