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#1590203 10/22/2025 5:45 PM
Joined: Jan 2022
Posts: 113
O
'Bolter
'Bolter
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Posts: 113
Purchased a set of headers gaskets and was wanting to know if it makes any difference what way you install them to the head/exhaust manifold? You have a shiny side and a rough looking side. In all respect I have always installed them with the rough side going to the cylinder head, but they seem to fit better with the shiny side going to the head and rough side going to the exhaust manifold which even looks better as far as lining up.. What do you think there Bolters?

Ol'55 #1590211 10/22/2025 6:50 PM
Joined: Dec 2017
Posts: 1,652
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'Bolter
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Mike
Ol'55 #1590213 10/22/2025 7:02 PM
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'Bolter
'Bolter
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That is what I have.. I just wanted to make sure the gasket would work eighther way? Shiny side or rough side to yhe the head/ exhaust manifold?? Thank you..

Ol'55 #1590214 10/22/2025 7:26 PM
Joined: Dec 2017
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'Bolter
'Bolter
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I have always installed them like you do, rough side to head.


Mike
Ol'55 #1590223 10/22/2025 10:17 PM
Joined: Oct 2021
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O
'Bolter
'Bolter
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The smooth shiny side should go UP toward exhaust pipes. Felpro's website has a video explaining this.


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Ol'55 #1590230 10/22/2025 11:51 PM
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'Bolter
'Bolter
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Remflex is does not matter...It does not matter which side of the Remflex gasket faces the manifold or header,
as both sides will perform the same once installed. The texture difference is a result of the manufacturing process
and is not an indicator of how the gasket should be installed, according to Remflex Exhaust Gaskets.


~ BD.
"You won't find me in an old folks home" Pioneer Florida Cracker
1958 Apache Stepside
1958 Apache 1/2 ton Panel
1959 Apache 1/2 ton Panel
Ol'55 #1590271 10/23/2025 3:36 PM
Joined: Dec 2024
Posts: 114
R
'Bolter
'Bolter
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Posts: 114
I'm not familiar with Remflex gaskets, but if an exhaust gasket has a metal face; the metal face goes against the manifold. Most exhaust gasket instructions I've seen state this.


Geoff

1955 2nd Series 3600 235 cid, 4 sp. - Current
1979 Chevy K10 350 cid 4 sp -Sold
1955 2nd Series Wide Window 283 cid 3 sp - Totaled
Ol'55 #1590282 10/23/2025 5:10 PM
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'Bolter
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Its a one piece graphite gasket, thick but fluffy for lack of a better description. Outstanding for sealing. works for stock manifolds and really helpful with irregularities in the cheap tube 235 headers or the Clifford 235 headers. More expensive than the more familiar three piece set but way way better. Take a look at the link I posted above.


Mike
Ol'55 #1590329 10/24/2025 1:52 PM
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'Bolter
'Bolter
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I have a set for my 350' chevy and again would like to verify if I can install them either way? The cylinder heads are a set of 492's round port. And earlier I had mentioned they line up better with the shiny side going to the cylinder head.


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