exhaust manifold gasket?
12-08-2003, 02:55 AM
#1
Guest
Posts: n/a
exhaust manifold gasket?
Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
4.2L.......
I have heard that they should be installed without a gasket & I also saw a
previous post stating that he used a solid copper gasket.
Which is more better?????
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast.net
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
4.2L.......
I have heard that they should be installed without a gasket & I also saw a
previous post stating that he used a solid copper gasket.
Which is more better?????
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast.net
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
12-08-2003, 12:43 PM
#2
Guest
Posts: n/a
Re: exhaust manifold gasket?
The orignals came with no gasket. But after a dozen years of
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
12-08-2003, 12:43 PM
#3
Guest
Posts: n/a
Re: exhaust manifold gasket?
The orignals came with no gasket. But after a dozen years of
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
12-08-2003, 12:43 PM
#4
Guest
Posts: n/a
Re: exhaust manifold gasket?
The orignals came with no gasket. But after a dozen years of
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
repeated hot/cold cycles, things usually warp a bit. Use the
gasket unless you have both the head and the manifold resurfaced.
Carlo wrote:
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
12-08-2003, 03:31 PM
#5
Guest
Posts: n/a
Re: exhaust manifold gasket?
BEFORE YOU INSTALL THE MANIFOLD, you should have the flange trued. The
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
12-08-2003, 03:31 PM
#6
Guest
Posts: n/a
Re: exhaust manifold gasket?
BEFORE YOU INSTALL THE MANIFOLD, you should have the flange trued. The
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
12-08-2003, 03:31 PM
#7
Guest
Posts: n/a
Re: exhaust manifold gasket?
BEFORE YOU INSTALL THE MANIFOLD, you should have the flange trued. The
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
flange warps sometimes, and the warpage is greater than the thickness of the
gasket.
What you will want to do is go to a machine shop and put the flange surface
on a flatbed sander of some type that will sand the entire flange at once.
You will easily see the high spots when you first get started, and just keep
sanding until the high spots and the low spots are all the same spot. Once
you do this, you have an option of using the gasket or not.
"Carlo" <carlo.jr@comcast.net> wrote in message
news:evednQax8ZbCs0miRVn-jw@comcast.com...
> Getting ready to install a new exhaust manifold (stock) on my sons '89YJ
> 4.2L.......
> I have heard that they should be installed without a gasket & I also saw a
> previous post stating that he used a solid copper gasket.
> Which is more better?????
>
> --
> Carlo F. Serusa, Jr. RPh
> carlo.jr at comcast.net
> '98 Sahara TJ - '89 YJ - '79 Scout II
> O|||||||O
> '92 Explorer '65 Mustang
>
>
>
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