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03-08-2016
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#1 |
 Join Date: Nov 2014
Location: Brooklyn ny
Posts: 1,045
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Air pump....Should I remove it?
Every time I start my engine I have to hear this run, of course it shuts down around 10-20 seconds depends....
I guess you would call it the smog pump..I guess I can find it if I looked but where exactly is it located? Can I just remove it, or is there a kit I have to buy to replace it? I'm sure it's a horsepower robber, of course not a lot but, is it neccessry ? Had the car dynoed today...Put down 382 RWHP at 7,000 RPM....Torque was anywhere from 347-350 rear wheel at 7,000.. Car does have a hic cup at 3,000 RPM when you lean into the throttle, slight, but you feel it....Mechanic could not feel it on the dyno....Fuel pressure was good and the tune seems fine... The torque figures were a little erratic...My wires may need changing...They do look a little old but they are not factory ( car has 43,000 miles) Also going to swap out plugs.....Lets hope it clears the slight hic cup.. |
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03-08-2016
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#2 | |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Air pump....Should I remove it?
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Eliminating the Air Pump TIPS |
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03-08-2016
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#3 |
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Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,486
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Re: Air pump....Should I remove it?
Air pump or vacuum pump? I don't think I ever heard my air pump run.
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03-09-2016
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#4 |
Join Date: Dec 2007
Location: NYC
Posts: 1,189
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Re: Air pump....Should I remove it?
It under the drivers side headlight you can unplug and remove.
__________________
90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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03-09-2016
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#5 | |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: Air pump....Should I remove it?
Quote:
  
__________________
Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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03-09-2016
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#6 |
 Join Date: Apr 2004
Location: ATL. GA.
Posts: 2,170
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Re: Air pump....Should I remove it?
The air pump does not cost you any HP. I did away with mine years ago, has no effect on smog testing. Like already stated it only runs at startup.
__________________
Steve 1990 Steel Blue/Black #2355 1990 Red/Red #1473 1991 Quasar /Black #118 Sold 1991 Turquoise/Black #766 Parted Out 1993 Yellow/White #179 Sold 1990 Black/Gray #1361 Headers/4:10s Sold |
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03-09-2016
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#7 | |
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Join Date: Nov 2014
Location: Brooklyn ny
Posts: 1,045
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Re: Air pump....Should I remove it?
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03-09-2016
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#8 | |
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Join Date: Nov 2014
Location: Brooklyn ny
Posts: 1,045
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Re: Air pump....Should I remove it?
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03-09-2016
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#9 |
Join Date: Sep 2012
Location: Westminster, Md.
Posts: 436
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Re: Air pump....Should I remove it?
I hope this is not a new one. Is this the time when you were drag racing?
Nelson
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WAZOO MEMBER 1993 #124 Ruby 1994 #??? Red/Black 1995 #061 Black/Red 2012 ZR1 Preproduction |
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03-09-2016
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#10 | |
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,251
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Re: Air pump....Should I remove it?
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