LT1/LT4 Tech 1993-1997

Seal 4 good gaskets.

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Old Aug 12, 2010 | 05:47 PM
  #1  
critt86's Avatar
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Default Seal 4 good gaskets.

I just bought some seal for good gaskets and im wondering if the ports on these are big enough for what I got? I have 1 3/4 headers and ported heads.
 
Old Aug 12, 2010 | 06:46 PM
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nope, you need to enlarge the holes.
 
Old Aug 12, 2010 | 07:13 PM
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but by how much? I dont have anything to measure off of. and what would happen if i just put them in like they are?
 
Old Aug 12, 2010 | 07:17 PM
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to the same size as the ones that came with the headers. can you get one off to work with. the aluminum will burn off and get caught in the muffler or cat.
 
Old Aug 12, 2010 | 08:55 PM
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Return them and get the Felpro 1406.
 
Old Aug 12, 2010 | 09:12 PM
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imo seal for good are the best header gaskets made, last for ever and are reusable. felpro are good but will blow over time with headers.
 
Old Aug 13, 2010 | 11:27 AM
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Originally Posted by craby
imo seal for good are the best header gaskets made, last for ever and are reusable. felpro are good but will blow over time with headers.
The felpros have the large d-port, mine have been on 5 years and never had an issue.
 
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