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Old Mar 12, 2003 | 08:06 PM
  #1  
hollywood's Avatar
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From: california
time to srip

have a 1987 pontiac firebird, i am going to strip my emmitions but have no idea how. If any one has advice or can give me a website or book that can teach me i would be much obliged.
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Old Mar 12, 2003 | 08:13 PM
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88 350 tpi formula's Avatar
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From: WI,USA
Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
why would you do that?
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Old Mar 12, 2003 | 10:32 PM
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Well, no reason not to do it if nothing works anyway (like mine) and it can make working in the engine compartment alot less frustrating with all the hoses and wires and junk like that around.

I would start by getting some little caps with the same thread size as the AIR lines going into the exhaust have, then use a wrench to twist them out. Then just put the caps in.
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Old Mar 12, 2003 | 11:56 PM
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From: california
Originally posted by 88 350 tpi formula
why would you do that?
so i can free the engine of those damned hp choking emissions
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Old Mar 13, 2003 | 12:00 AM
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From: Winchester, VA
and you live in california?????? do you ever plan on driving this car????
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Old Mar 13, 2003 | 02:14 AM
  #6  
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From: california
Originally posted by v8unleashed
and you live in california?????? do you ever plan on driving this car????
shhh dont tell any one but ill be driving it illegally
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Old Mar 13, 2003 | 08:38 AM
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
the **** smog SS will show up on your doorstep soon and take you away!
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Old Mar 13, 2003 | 08:40 AM
  #8  
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
ill be driving it illegally
Yeah right... maybe for a little while....

How much faster is a car with the smog equipment ripped off when it's sitting in the impound lot, than it is with teh smog equipment still installed when it's on the road driving around?
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Old Mar 13, 2003 | 10:56 AM
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From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Glad I don't live in Ca. There are tech articles on emissions removal at this site's homepage. Check it out.
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Old Mar 13, 2003 | 11:23 AM
  #10  
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Originally posted by hollywood
so i can free the engine of those damned hp choking emissions
What "hp choking" emissions? The A.I.R. pump takes a whopping 1-1.5 HP at full RPM of around 5,500. Your water pump uses more than that, so you'de be better off changing to an electric water pump drive.

The EGR doesn't "take" and HP, and can actually "add" it by allowing more advanced timing before the knock sensor and EST takes over.

The PCV certainly doesn't cost anything to operate, and unless you like changing you oil every week (or sludging up your engine) then I'd leave it alone.

The EVAP system is TOTALLY passive, and doesn't add or cost any engine power - NONE!

The cat converter isn't a problem unless it is restricted, in which case you need a new, high-flow cat, not a straight pipe.

That's about all I can think of under the heading ot "emissions controls". If you really want to free up some power, remove the PS pump. It takes a couple of HP when you're turning. Or, better yet, change to synthetic engine lubricant instead of mineral oil. You'll get 5-7 free HP by that alone. Change the transmission and rear axle over to synthetic and gain a total of over 10 HP.

Don't EVEN get me started on underdrives....

Last edited by Vader; Mar 13, 2003 at 11:26 AM.
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