V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

How can I bypass smog pump????

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Old Aug 1, 2003 | 07:18 PM
  #1  
ken3983's Avatar
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From: reidsville,nc,usa
Car: 1989 Firebird Formula 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner 3.27 gears
How can I bypass smog pump????

My smog pump is in its last stages.I can hear the pulley rubbing against the pump body and its about ready to go.IS THERE ANY WAY that I can re-route my serpentine belt to bypass the pump and still have the car running????PLEASE HELP!!!Its a PITA to put another one on.3.1 V6.

Ken
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Old Aug 1, 2003 | 11:23 PM
  #2  
jess's Avatar
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From: Indiana
Car: 85 Z28
Engine: POS 305
Transmission: 700r4
take the smog pump off and get a shorter belt
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Old Aug 2, 2003 | 05:06 PM
  #3  
ken3983's Avatar
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From: reidsville,nc,usa
Car: 1989 Firebird Formula 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner 3.27 gears
I would love to do that.But, I would need a pic or something with info on how to re-route the serpentine belt as to not interfere with the operation of the pulleys.

Ken
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Old Aug 2, 2003 | 05:11 PM
  #4  
F585's Avatar
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From: Paradise, CA
Get a new belt same year as yours but for an auto.
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Old Aug 3, 2003 | 02:38 AM
  #5  
FAST RS's Avatar
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From: Moorpark
Car: 1991 CAMARO 1968 FIREBIRD
Engine: CAMARO 3.1L FIREBIRD 455
Transmission: CAMARO 700R4 FIREBIRD TH-400
The auto has a smog pump is there a difference between that and a stick??? What are the signs a smog pump is going??? I think mine is goind it sounds liek a exhaust leak comming from it but there arent any. and it squeeks every now and then
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Old Aug 3, 2003 | 02:38 AM
  #6  
FAST RS's Avatar
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From: Moorpark
Car: 1991 CAMARO 1968 FIREBIRD
Engine: CAMARO 3.1L FIREBIRD 455
Transmission: CAMARO 700R4 FIREBIRD TH-400
The auto has a smog pump is there a difference between that and a stick??? What are the signs a smog pump is going??? I think mine is goind it sounds liek a exhaust leak comming from it but there arent any. and it squeeks every now and then
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Old Aug 3, 2003 | 02:43 AM
  #7  
F585's Avatar
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From: Paradise, CA
85+ autos did not have smog pumps.
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Old Aug 3, 2003 | 02:44 AM
  #8  
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From: Moorpark
Car: 1991 CAMARO 1968 FIREBIRD
Engine: CAMARO 3.1L FIREBIRD 455
Transmission: CAMARO 700R4 FIREBIRD TH-400
not true i have a 91 Auto and it has a smogpump.
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Old Aug 3, 2003 | 11:08 AM
  #9  
6SPEED84Z28's Avatar
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From: Shelby Twp., MI
Car: 84 Z28 / 91 Trans Am
Engine: LS1 / 5.0 TPI
Transmission: T56 / 700R4
Axle/Gears: 4.09 / 2.73
i just went and looked at mine. from what i could see it was a 922K6 belt its hard to tell worn down though.
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Old Aug 3, 2003 | 04:24 PM
  #10  
ken3983's Avatar
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From: reidsville,nc,usa
Car: 1989 Firebird Formula 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner 3.27 gears
Well..I decided to put another one on it.It seems the a**wipe who installed the last one did'nt tighten the bottom mounting bolt on good.This in effect wore out the bearings in the pump.The bottom bolt had worked out about 3/4" and put a strian on in.Putting on the new one took about an hour.I had the car on rapms, but it would have been easier to leave it on the ground.The hardest part was sticking it back through to line up the mounting holes.I guess it was'nt as bad as I thought it was going to be.Now I need to go get my core charge back,hehe...Thanks for the input guys!!!

Ken
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Old Aug 4, 2003 | 03:02 AM
  #11  
nadster's Avatar
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Joined: Jun 2003
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From: Wa
Car: 89 RS
Engine: 2.8 (the cruiser)
Transmission: 700R4 (TransGo Kit, VetteServo)
Axle/Gears: 3.42
Originally posted by ken3983
Well..I decided to put another one on it.It seems the a**wipe who installed the last one did'nt tighten the bottom mounting bolt on good.This in effect wore out the bearings in the pump.The bottom bolt had worked out about 3/4" and put a strian on in.Putting on the new one took about an hour.I had the car on rapms, but it would have been easier to leave it on the ground.The hardest part was sticking it back through to line up the mounting holes.I guess it was'nt as bad as I thought it was going to be.Now I need to go get my core charge back,hehe...Thanks for the input guys!!!

Ken

Notice any difference with the new one in get up and go or not? Just wondering. I have one that buzzs when it is cold, but not when it's warm. I figure the injected air might make a difference when it comes to o2 readings, so that is why I am asking.


-Dan
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Old Aug 4, 2003 | 07:40 PM
  #12  
ken3983's Avatar
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From: reidsville,nc,usa
Car: 1989 Firebird Formula 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner 3.27 gears
No...cant say i can tell a difference.The other was just irritating to hear and i wasnt going to drive it like it was.However, i did the throttle body bypass and i could tell the throttle was a little peppier.I need to do the tune-up thingy i think.'Bout time for it again.If if aint one thing its something else.HEHE.

Ken
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