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Could I use an aluminum can for a diy high heat gasket?

 
Anonymous Coward
User ID: 74785542
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01/23/2018 08:58 PM
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Could I use an aluminum can for a diy high heat gasket?
I need a gasket between the cylinder and block head for a moped. I saw a video of a guy using copper sheet and I thought why not aluminum? Any cons or just winning?
Sikhed

User ID: 5898996
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01/23/2018 09:01 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Third world mechanics do some shit that makes McGuyver look like a moran.

Sure, try it out if you can't afford a head gasket.
:doom360:
Anonymous Coward (OP)
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01/23/2018 09:01 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Also, should I use a soda can or one of those thick beer cans? The gasket was kinda thick like the beer can not a soda one.
bigD111

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01/23/2018 09:01 PM

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Re: Could I use an aluminum can for a diy high heat gasket?
Inquire about the melting point of aluminum, that should be your answer. You can buy good gasket product at a parts store.
deplorably republican
Anonymous Coward (OP)
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01/23/2018 09:02 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
I'm gonna scout for a thick beer can.
the deplorable ar-15 nut

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01/23/2018 09:03 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Why not buy one ?
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Anonymous Coward (OP)
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01/23/2018 09:05 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Inquire about the melting point of aluminum, that should be your answer. You can buy good gasket product at a parts store.
 Quoting: bigD111


Hmmm.

Melting point of copper 1,984F
Melting point of aluminum 1,221F
Brian
User ID: 75891879
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01/23/2018 09:05 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Id use aluminium instead


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Anonymous Coward
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01/23/2018 09:05 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Al will work,steel works better.its about longevity.even leather will work.a thick piece of cardboard.its about compression is all.will it hold up to pressure.
Anonymous Coward (OP)
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01/23/2018 09:05 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Why not buy one ?
 Quoting: the deplorable ar-15 nut


I'm just a poor boy from a poor family.
Anonymous Coward (OP)
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01/23/2018 09:09 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Al will work,steel works better.its about longevity.even leather will work.a thick piece of cardboard.its about compression is all.will it hold up to pressure.
 Quoting: Anonymous Coward 47482356


So e people on the vids say not to use certain gaskets like manila envelope or cardboard for high heat applications. I think that's because it'll turn it into charcoal, at least those 2.
Anonymous Coward
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01/23/2018 09:09 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Use wood

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bigD111

User ID: 65945302
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01/23/2018 09:09 PM

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Re: Could I use an aluminum can for a diy high heat gasket?
Inquire about the melting point of aluminum, that should be your answer. You can buy good gasket product at a parts store.
 Quoting: bigD111


Hmmm.

Melting point of copper 1,984F
Melting point of aluminum 1,221F
 Quoting: Anonymous Coward 74785542


You should be all right then. Get a tube of permatex hi tempto use with it.
deplorably republican
Anonymous Coward (OP)
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01/23/2018 09:16 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
The temperature it take to ignite gasoline is 495F. The hottest a two stroke cylinder head should get is 450 degrees continuous running, 500 for short periods.
[link to motoredbikes.com (secure)]

I think the aluminum gasket will work for this application.
Anonymous Coward (OP)
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01/23/2018 09:20 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Thanks for input to challenge my theory.
Anonymous Coward
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01/23/2018 09:23 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Re: thickness. The gasket thickness affects compression. That thickness also affects fuel delivery timing in 2 strokes (you didn't say 2 or 4 stroke, or I missed it.)

Hi temp rtv is what I used when I used to build race saws. But removing gasket thickness required modification of port timing along with higher compression. (again, 2 strokes) 4 stroke it would merely increase compression.
Anonymous Coward
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01/23/2018 09:25 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Zen and the art of motorcycle maintenance.

Enjoy!
bigD111

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01/23/2018 09:25 PM

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Re: Could I use an aluminum can for a diy high heat gasket?
Re: thickness. The gasket thickness affects compression. That thickness also affects fuel delivery timing in 2 strokes (you didn't say 2 or 4 stroke, or I missed it.)

Hi temp rtv is what I used when I used to build race saws. But removing gasket thickness required modification of port timing along with higher compression. (again, 2 strokes) 4 stroke it would merely increase compression.
 Quoting: Anonymous Coward 76129305


Good point!
deplorably republican
Anonymous Coward
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01/23/2018 09:26 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Inquire about the melting point of aluminum, that should be your answer. You can buy good gasket product at a parts store.
 Quoting: bigD111


Hmmm.

Melting point of copper 1,984F
Melting point of aluminum 1,221F
 Quoting: Anonymous Coward 74785542


engine blocks are often made of aluminium and hardly ever melt!!
Anonymous Coward
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01/23/2018 09:28 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
On the main page heat gasket goes under the rest of the subject line so it ends on high and I thought OP was crazy
Daggo

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01/23/2018 09:31 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Short answer, yes. Long answer redneck mechanics have been using things like this for decades on motors that produce way more horsepower than anything sold by the major car companies when you need to space intakes, heads, headers, and a hundred other things, just make sure you use some high temp silicone for air/water tight seal.
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8-14-2018 The day Free Speech died in America
Anonymous Coward
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01/23/2018 09:43 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Inquire about the melting point of aluminum, that should be your answer. You can buy good gasket product at a parts store.
 Quoting: bigD111


Hmmm.

Melting point of copper 1,984F
Melting point of aluminum 1,221F
 Quoting: Anonymous Coward 74785542


engine blocks are often made of aluminium and hardly ever melt!!
 Quoting: Anonymous Coward 75984552


Good point.
Anonymous Coward
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01/23/2018 09:52 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Keep in mind that the rate of expansion due to heat is different between aluminum and copper. This may make a difference for a gasket with a tight fit.
Anonymous Coward
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01/23/2018 09:55 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
make one out of wood it will be just fine
Kirk

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01/23/2018 09:57 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Also, should I use a soda can or one of those thick beer cans? The gasket was kinda thick like the beer can not a soda one.
 Quoting: Anonymous Coward 74785542


soda cans are deep drawn from 1100 aluminum (pure, soft)

Dont know about the beer cans. If they are deep drawn prob 1100
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01/23/2018 10:07 PM

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Re: Could I use an aluminum can for a diy high heat gasket?
Why not buy one ?
 Quoting: the deplorable ar-15 nut


What would be the fun in that???


Get one of those disposable aluminum baking pans... it will be a bit thicker and larger and won't be curved so it should be easier to trace out a gasket.

If you want to match the original thickness of the head gasket layer it 3 deep, that's how modern metal head gaskets are actually built.
AC DC
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01/23/2018 10:20 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
no aluminum

use thin steel, or copper.
5.0%

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01/23/2018 10:27 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
No such thing a thick beer can!
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Anonymous Coward
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01/23/2018 10:28 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Aluminum warps at high Temps but as a gasket under torque I dunno, I would imagine it might expand and contract more.. dunno..let us know..on the do's and don't of your experiment.
Anonymous Coward
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01/23/2018 10:31 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Aluminum squeezes out when under pressure. You will never keep a constant torque on a pure aluminum gasket. Usually when you see aluminum used in a gasket it is layered on top and bottom of another stable core material that will not squeeze out while the aluminum seals scratches and dents when it flows under pressure.
Anonymous Coward
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01/23/2018 10:32 PM
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Re: Could I use an aluminum can for a diy high heat gasket?
Keep in mind two dissimilar metals with an acid form a battery that may lead to an early failure of the gasket





GLP