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exhuast leak

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Old Sep 2, 2013 | 01:15 PM
  #1  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
exhuast leak

I have an exhaust leak coming from the passenger side of the engine i tighten the header bolts i also did a needle nose pliers holding a small piece of paper but could not determine were the leak is coming from i noticed a small leak behind the intake manifold to engine block below distributor area could that be my cause of exhaust leak or what other tips can i use to determine my exhaust leak
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Old Sep 2, 2013 | 02:05 PM
  #2  
ghost91's Avatar
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From: Woodbridge, New Jersey
Car: 1991 Camaro Z28
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 2.73
Re: exhuast leak

Using periods are your friends. check your header gasket..
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Old Sep 2, 2013 | 02:26 PM
  #3  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Re: exhuast leak

Sorry for not using period i got carried in my train of thought. I double checked the gasket before but the leak/sound comes from below i think either header collector or behind engine/manifold.
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Old Sep 11, 2013 | 07:21 AM
  #4  
rusty vango's Avatar
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: exhuast leak

Originally Posted by DiabloWS6
Sorry for not using period i got carried in my train of thought. I double checked the gasket before but the leak/sound comes from below i think either header collector or behind engine/manifold.
welcome to the wonderful world of headers!! where exhaust leaks are free ,but the fix isn't!!
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Old Sep 11, 2013 | 06:01 PM
  #5  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Re: exhuast leak

that is true
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Old Sep 16, 2013 | 01:28 PM
  #6  
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From: titusville FL
Car: 91 camaro rs
Engine: tbi 305
Transmission: 5 speed
Re: exhuast leak

Originally Posted by DiabloWS6
that is true
Are you running long tubes or shorties?? you could have a leak coming from the Y pipe if ya got shorties. Ahhh header leak noise, its annoying.
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Old Sep 16, 2013 | 05:14 PM
  #7  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Re: exhuast leak

Im running slp shorties with matching y pipe. Im almost positive its coming from the y pipe . The header bolts are tight, but the noise is coming from the right bank below the header.
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Old Jan 2, 2014 | 11:37 PM
  #8  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Re: exhuast leak

I figured it out its the no. 8 exhaust on the header an exhaust shop is going to take care of that for me
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Old Jan 2, 2014 | 11:46 PM
  #9  
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Re: exhuast leak

Copper gaskets are less likely to blow out again. Cost a little more but save a lot of aggravation. Also locking header bolts.
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Old Jan 3, 2014 | 12:23 AM
  #10  
DiabloWS6's Avatar
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From: San Fernando valley-Lancaster,CA
Car: '86 TRANS-AM WS6
Engine: 1989 355 TPI L98
Transmission: TH700R-4
Axle/Gears: BorgWarner 9 bolt/ 3.27
Re: exhuast leak

And can be used again copper gasket and have been looking into the locking header bolts well see as soon as the paycheck and saving up goes on
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