C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Dec 5, 2007 | 11:27 PM
  #1  
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Default exhaust

tonight while my project was running I noticed one sidepipe had alot
of exhaust coming out and the other side had little or none coming out,
one side has a baffle and the other doesnt.
but still you would think we would get something coming out.
you think we got something pluggin it up?
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Old Dec 6, 2007 | 02:29 AM
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the one side must be leaking some where
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Old Dec 6, 2007 | 02:38 PM
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If you have a heat riser valve in one side, the passenger side, then very little will come out until the valve warms up and opens.
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Old Dec 6, 2007 | 06:51 PM
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Originally Posted by longbros
If you have a heat riser valve in one side, the passenger side, then very little will come out until the valve warms up and opens.

Unless it's rusted shut, like they all do eventually.
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Old Dec 6, 2007 | 06:53 PM
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check that valve see if it's your problem
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Old Dec 7, 2007 | 12:01 AM
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Just replace the valve with an adapter for $20. Those stupid valves always rattle and sound like crap anyways. I wired mine open until I can get to the muffler shop to get the adapter put in. Sounds tons better already.

cc
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Old Dec 7, 2007 | 01:23 AM
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Default valve

I have headers and sidepipes on this 76
would it have a valve?
if so where would I find it?
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Old Dec 7, 2007 | 03:20 PM
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The heat riser valve is part of the factory exhaust manifold. If you have headers, you removed the valve when you took off the exhaust manifolds.
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