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

AIR Pump

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Feb 9, 2012 | 05:34 PM

#1

CSmax

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AIR Pump

Is there an advantge to removing the AIR pump from 85 L98 and replacing with the eliminator pulley kit?

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Old

Feb 9, 2012 | 05:44 PM

#2

PMARTINEZ92126

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From: SAN DIEGO CA

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other than cleaning up the engine bay, no. Im removing mine as i dont like the noise it makes. Just get a smog first then take it off.

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Feb 9, 2012 | 06:01 PM

#3

383vett

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Very slight weight savings and very slight hp increase due to less drag. You don't see smog pumps on many serious cars at the strip.

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Feb 9, 2012 | 07:30 PM

#4

vetteoz

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Quote:

Originally Posted by 383vett

You don't see smog pumps on many serious cars at the strip.

Modify the plumbing and use it as a crankcase evac system

Moroso vac pump costs $300; smog pump free

Last edited by vetteoz; Feb 9, 2012 at 07:33 PM.

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Feb 9, 2012 | 07:56 PM

#5

383vett

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From: moraga ca

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Quote:

Originally Posted by vetteoz

Modify the plumbing and use it as a crankcase evac system

Moroso vac pump costs $300; smog pump free

Actually, some companies do that. One named GZ racing in northern California modifies factory smog pumps and uses them for evac. When my 84 was "near stock", I took the vanes out of my smog pump so as not to incur hp loss.

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1984, advantage, air, c4, c5, corvette, electric, eliminator, evac, panel, pump, remove, removing, smog, system, wheel

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