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Did I Screw Up the Oil Pan Gasket?

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Old Nov 19, 2021 | 02:38 PM
  #1  
Pnorth13's Avatar
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Joined: Jun 2019
Posts: 34
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From: Oakville, Ontario
Car: 89 GTA
Engine: 5.7
Transmission: Auto
Axle/Gears: 3.27
Did I Screw Up the Oil Pan Gasket?

In the middle of a new cam/heads/timing chain swap. I have dropped the oil pan down as much as possible but still had to trip the lip on the back of the timing cover about 1" on each side - everything was filed down so no sharp edges. Did a few test fits and noticed that I had taken chunks out of the gasket on both sides. Note that I have the factory 1 piece seal. Am I an SOL and need to drop the oil pan and install a new gasket or will RTV seal this up?



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Old Nov 19, 2021 | 02:56 PM
  #2  
Tootie Pang's Avatar
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Did I Screw Up the Oil Pan Gasket?

IMHO you'll be fine. IIRC the cover seal gasket is a triple seal. It looks like only your outer seal is nicked. If I wanted to be more sure, I might throw some RTV just in that spot when I reassemble and let it dry for 24 hours. Gasket looks fine to me everywhere else.
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Old Nov 19, 2021 | 03:09 PM
  #3  
Pnorth13's Avatar
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Junior Member
 
Joined: Jun 2019
Posts: 34
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From: Oakville, Ontario
Car: 89 GTA
Engine: 5.7
Transmission: Auto
Axle/Gears: 3.27
Re: Did I Screw Up the Oil Pan Gasket?

Thanks - I can enjoy by beer now!

Yes only the outer ring of the seal is damaged. As for RTV, should I use the regular Permatex Black or the Permatex 'Right Stuff'?
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Old Nov 19, 2021 | 07:47 PM
  #4  
Tootie Pang's Avatar
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15 Year Member
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Joined: Aug 2009
Posts: 1,972
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Did I Screw Up the Oil Pan Gasket?

Enjoy your beer! Well deserved doing a timing chain yourself. Have a second one on me. When I did my cover, with the oil pan in place and an OEM seal, I used the Permatex "Ultra Copper" at the ends. And NOTHING leaked. Let it dry 24 hrs before you start it.
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