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Doug 11-11-2003 08:48 PM

Exhaust Manifold
 
While I was under the jeep woring on the clutch problem, I noticed a crack
in the manifold. I'm tempted to take it off and have it welded. Any reason I
shouldn't do this?

Thanks,
Doug



CRWLR 11-11-2003 09:12 PM

Re: Exhaust Manifold
 
The weld won't hold.

My manifold cracked about 4 inches long on the inside (the side next to the
block) of the collector where all six exhaust ports come together. The
problem with this is the design, there is a huge amount of matal that all
comes together there, and it must be able to expand and contract, but it
can't so it cracks instead.

You should give serious consideration to a new header. This will do a couple
of things, 1.) the header is a 6 into 2 into 1 design that has greater
ability to expand and contract, thereby avoiding the cracking, 2.) the
header is a 6 into 2 into 1 design that will breath easier, and all other
things remaining equal, will provide better horsepower and greater fuel
economy. Did I say the header is a 6 into 2 into 1 design? If I did, I was
referring to the Borla, other makers might use a different design.




"Doug" <doug.schuler@verizon.net> wrote in message
news:0kgsb.23247$y95.6473@nwrdny01.gnilink.net...
> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason

I
> shouldn't do this?
>
> Thanks,
> Doug
>
>



CRWLR 11-11-2003 09:12 PM

Re: Exhaust Manifold
 
The weld won't hold.

My manifold cracked about 4 inches long on the inside (the side next to the
block) of the collector where all six exhaust ports come together. The
problem with this is the design, there is a huge amount of matal that all
comes together there, and it must be able to expand and contract, but it
can't so it cracks instead.

You should give serious consideration to a new header. This will do a couple
of things, 1.) the header is a 6 into 2 into 1 design that has greater
ability to expand and contract, thereby avoiding the cracking, 2.) the
header is a 6 into 2 into 1 design that will breath easier, and all other
things remaining equal, will provide better horsepower and greater fuel
economy. Did I say the header is a 6 into 2 into 1 design? If I did, I was
referring to the Borla, other makers might use a different design.




"Doug" <doug.schuler@verizon.net> wrote in message
news:0kgsb.23247$y95.6473@nwrdny01.gnilink.net...
> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason

I
> shouldn't do this?
>
> Thanks,
> Doug
>
>



CRWLR 11-11-2003 09:12 PM

Re: Exhaust Manifold
 
The weld won't hold.

My manifold cracked about 4 inches long on the inside (the side next to the
block) of the collector where all six exhaust ports come together. The
problem with this is the design, there is a huge amount of matal that all
comes together there, and it must be able to expand and contract, but it
can't so it cracks instead.

You should give serious consideration to a new header. This will do a couple
of things, 1.) the header is a 6 into 2 into 1 design that has greater
ability to expand and contract, thereby avoiding the cracking, 2.) the
header is a 6 into 2 into 1 design that will breath easier, and all other
things remaining equal, will provide better horsepower and greater fuel
economy. Did I say the header is a 6 into 2 into 1 design? If I did, I was
referring to the Borla, other makers might use a different design.




"Doug" <doug.schuler@verizon.net> wrote in message
news:0kgsb.23247$y95.6473@nwrdny01.gnilink.net...
> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason

I
> shouldn't do this?
>
> Thanks,
> Doug
>
>



Lon Stowell 11-12-2003 02:29 PM

Re: Exhaust Manifold
 
Approximately 11/11/03 17:48, Doug uttered for posterity:

> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason I
> shouldn't do this?


Check your owners manual to make sure it isn't under warranty
first...

--
My governor can kick your governor's ass


Lon Stowell 11-12-2003 02:29 PM

Re: Exhaust Manifold
 
Approximately 11/11/03 17:48, Doug uttered for posterity:

> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason I
> shouldn't do this?


Check your owners manual to make sure it isn't under warranty
first...

--
My governor can kick your governor's ass


Lon Stowell 11-12-2003 02:29 PM

Re: Exhaust Manifold
 
Approximately 11/11/03 17:48, Doug uttered for posterity:

> While I was under the jeep woring on the clutch problem, I noticed a crack
> in the manifold. I'm tempted to take it off and have it welded. Any reason I
> shouldn't do this?


Check your owners manual to make sure it isn't under warranty
first...

--
My governor can kick your governor's ass



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