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Exhaust Manifold Gaskets

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Old Feb 8, 2022 | 02:47 PM
  #1  
72buickgs's Avatar
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From: Windsor, On
Car: 1984 Trans AM
Engine: 305
Transmission: 700-4r
Axle/Gears: 3.23
Exhaust Manifold Gaskets

1984 T/A 305 v8
questions- did this engine come from the factory with or without gaskets?
If with, were they one piece steel, or one piece gasket material , or 3 pieces gasket material?
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Old Feb 8, 2022 | 03:15 PM
  #2  
gt4373's Avatar
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From: CT
Car: 1984 Chevrolet Camaro Z28
Engine: 5.0 Liter 4-BBL V8 High Output
Transmission: 5-Speed Manual
Axle/Gears: 3.73
Re: Exhaust Manifold Gaskets

No Gaskets
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Old Feb 8, 2022 | 04:58 PM
  #3  
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From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: Exhaust Manifold Gaskets

These cars didn't have them but I'm running them. I hope I don't regret it later...
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Old Feb 8, 2022 | 05:57 PM
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Re: Exhaust Manifold Gaskets

As GT said, the factory used no gaskets.

Best procedure is to file the heads & manifolds flat, and use no gaskets, if possible.

Sometimes when something is too farkled to restore that way, the gaskets can help. More often than not though they're just another potential failure point. In a way they turn maintenance-free manifolds into having one of The Header Problems: the need for monitoring and occasional retightening.
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Old Feb 8, 2022 | 08:11 PM
  #5  
72buickgs's Avatar
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From: Windsor, On
Car: 1984 Trans AM
Engine: 305
Transmission: 700-4r
Axle/Gears: 3.23
Re: Exhaust Manifold Gaskets

My car has only 21000 miles, but I have to remove the intake & exhaust manifolds & the rocker arm covers & the waterpump to refinish. Not one of the previous owners (father & daughter) & the fellow that I purchased the car from dared to take car of the car nor maintain it. I do not expect any warpage of the exhaust manifolds but I will check for trueness. These jobs are for the spring.
Tkx for the information...
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