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07-15-2020, 09:54 AM
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#1 |
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Registered User
 
Join Date: May 2005
Location: Tallahassee Fl
Posts: 773
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Exhaust Manifold Gaskets
Suggestions on exhaust manifold gaskets, picked up a small leak on start up
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07-15-2020, 04:38 PM
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#2 |
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Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,132
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Re: Exhaust Manifold Gaskets
I've used both the "stock" all metal type and the Fel-Pro type. Both have worked well.
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07-15-2020, 05:48 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: Exhaust Manifold Gaskets
Check the exhaust studs and nuts...
These have a bad issue with broken studs causing leaks.... 
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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07-15-2020, 05:57 PM
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#4 |
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Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,566
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Re: Exhaust Manifold Gaskets
Are the multi layer stock type better for headers or the other squishy style?
__________________
70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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07-15-2020, 09:33 PM
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#5 |
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Registered User
Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: Exhaust Manifold Gaskets
My LS in my 70 burned out header exhaust gaskets in a little over a year. I replaced with a 'good' brand and they leaked.
I then replaced with Percy's High Performance Percy Seal-4-Good. 'Problem' with these - instructions say to tork 3 times. Over 3 years later still no leaks. Lit say they are reusable - don't know about this. |
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07-15-2020, 09:49 PM
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#6 |
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Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,566
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Re: Exhaust Manifold Gaskets
I was gonna mention those but I have not run them on an LS. I have had them on both my trucks with headers as well as the collectors and have been amazed at how long Percy's last with no leaks. BTW, you read the instructions?
__________________
70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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07-16-2020, 10:10 AM
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#7 |
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Registered User
Join Date: Oct 2014
Location: Brandon, Manitoba, Canada
Posts: 995
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Re: Exhaust Manifold Gaskets
Remflex header gaskets have pretty good reviews. I have a set but haven't installed them yet.
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