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Author
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Topic: Copper or Aluminum header and collector gaskets
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68 S-code GT
Gearhead Posts: 2962
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 09-02-2004 09:32 PM
   
Is one better than the other?------------------
Ed S. 68 S-code FB GT 4spd(now C6)/3.25 PS PDB
68 J-code(now 289) Cp Sprint"B" C4/3L00-9" PDB PS AC
99 F150 XLT Ext/cab, 4X4, 5.4L, 3L55
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SundanceKid
Gearhead Posts: 1273
From: UT
Registered: Feb 2001
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posted 09-03-2004 10:17 PM
I'd say copper due to the materials properties...but actual experience? I've only used copper.
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steve'66
Gearhead Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 09-04-2004 12:47 AM
I've used both and it depends on the application. Copper header gaskets are ok (but don't fit the windsor exhaust port), and dead soft aluminum collector gaskets are good too. The layered aluminum header gaskets are holding up very well, but the Earl's with the foil inserts are questionable. What brands are you looking at?SteveW
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68 S-code GT
Gearhead Posts: 2962
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 09-05-2004 01:29 PM
quote:
Originally posted by steve'66:
What brands are you looking at?SteveW
Just looking in the Jeg?s catalog there isn?t much of a choice. I can go with the Percy dead soft aluminum or Mr. Gasket copper and maybe Jeg?s them self for copper. It would be for a street car with a mild 289.
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steve'66
Gearhead Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 09-05-2004 03:21 PM
The Copper ones didn't line up with the exhaust ports on our Victor Jr heads. Had to grind most of the raised area off to "port match" them so there wasn't much sealing area left. You may be ok with stock heads, but check the fit first.SteveW
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68 S-code GT
Gearhead Posts: 2962
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 09-07-2004 12:16 PM
Anybody else have an opinion of which is better? 
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