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Old 05-22-2012, 10:12 PM   #1
bue car
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Default Copper Gaskets - What copper do I buy????

I need to make some custom exhaust gaskets. I was going to buy a sheet of Alloy 101 .063 and when I emailed them, they said I should not use it for an exhaust application?

What should I buy? What have others used??
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Old 05-25-2012, 12:34 AM   #2
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Old 05-25-2012, 02:11 AM   #3
bue car
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Its a good read, but no one bought copper and posted or what alloy copper to buy??

I need a gasket for my APS 3.5 for the down pipe. I don't think gasket material would last long there at the track, i see about 1950-2000F constant on WOT, so I want to use copper. The alloy i mention thou has a thermal rating of 1950 only...

Anyone else?

I searched the web for DIY copper gasket and homemade copper gaskets (a ton of mini bikes i guess do this lol) before i made this thread. No were can I find..het i bought this copper sheet and never had a problem.


I appreciate any help.
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Old 05-25-2012, 03:03 AM   #4
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I dont think any copper will make 2k*

I would try it and see what happens while you look for something else

i have made simple copper gaskets out of plain old copper sheet that I just found by asking around....hobby shopps usually have it but may not have it thick enough

and dont forget to anneal it after you make the gasket and before you install it, or it may crack
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Old 05-25-2012, 03:20 AM   #5
bue car
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you think .063 is a good starting point?
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Old 05-25-2012, 06:07 AM   #6
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Quote:
Originally Posted by bue car View Post
you think .063 is a good starting point?

well....it will either not leak or leak or not leak then leak soon, or later....or last a while....

id say have a spare gasket or 2 along until you know for sure
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Old 05-25-2012, 10:17 AM   #7
bue car
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with the 12x12 i hope to make 3...maybe 4. prob 3.

I will post up here i suppose
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Old 02-04-2013, 05:28 PM   #8
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Update, I still have not bought copper. Instead, I found these! I hope they are decent.. i just ordered them.

http://www.streetsideauto.com/p/mr-g...er-seal-7178c/
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Old 02-04-2013, 07:40 PM   #9
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boostlogic sells 3.5 gaskets, its what they use on their gtr exhaust. Burns stainlesssteel also sells 3.5 gaskets and the three bolt gasket (its a v8 header gasket) Ive been running the original aps ones with no problems though, they are steel and ceramic just like oem ones.
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Old 02-04-2013, 10:25 PM   #10
bue car
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Good looking. For some reason, I failed at finding some a year ago...fee lpretty dumb now. I have my exhaust of to get coated, so glad I found something. I bought it used, and the aps gasket is just about done.
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