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welding CAT flanges, gasket spacing? 

 

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johnnyeHCF
 Post subject: welding CAT flanges, gasket spacing?
Posted: Tue Dec 23, 2014 9:46 pm 
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Hi all, can anyone guide in how to weld a sleeve in my original CAT, as in do I need to space in between the flanges to account for the flange gaskets-& if so by how much, cheers, Johnny.
P.s, not original (its a hi flow)-but my exhaust thats already in my ute to meet up with new engine & extractors.
p.p.s upon thinking on this can I just use a couple of old gaskets or washers of similar thickness?-sorry never welded any exhausts before :roll:

 

 

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SWC
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Tue Dec 23, 2014 10:16 pm 
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No need to set any spacing.

Just shove an old gasket in there if you are worried.

There is enough play and clearance in the exhaust to allow for the gasket thickness.
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johnnyeHCF
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Tue Dec 23, 2014 10:19 pm 
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Cheers for that mate, I thought so but wanted to be sure, cheers Johnny.

 

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TROYMAN
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Tue Dec 23, 2014 10:24 pm 
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I always bolt up the flanges with gaskets to the headers or exhaust ect , line everything else up to where im happy, tack weld it in place and remove it from the car and weld it up..
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Falcon96XR6
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Tue Dec 23, 2014 11:49 pm 
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TROYMAN wrote:
I always bolt up the flanges with gaskets to the headers or exhaust ect , line everything else up to where im happy, tack weld it in place and remove it from the car and weld it up..


+1,

Easiest way,

 

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90na2
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Wed Dec 24, 2014 1:23 am 
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The way troyman did his is how my dads mate did mine.
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johnnyeHCF
 Post subject: Re: welding CAT flanges, gasket spacing?
Posted: Wed Dec 24, 2014 11:32 am 
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Thanks for the help guys-really appreciate it, cheers, Johnny.

 

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