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| Stack Idea for diesels? | |
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Ariens YT11 Established Member
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| Subject: Stack Idea for diesels? November 25th 2013, 5:20 pm | |
| Hey guys I was wondering, is it smart to use 4" Aluminum Irrigation pipe as a exhaust stack on a diesel truck? I've seen/heard people using copper tubing for stacks on diesels, I did some looking and aluminum melts at 1221* F and the exhaust on my dads truck only gets to 1,250MAX at the pyro on the down pipe after the turbo at WOT pulling a 25,000lbs trailer up a grade. going 60+mph. now I can tell you the exhaust pipe underneath the truck only gets to 1,000* F before the gutted converter and about 800* F at the side pipe on it right now.
Now that said My dad IS NOT going to put it through the bed, only outside it on the passenger side front corner of the bed. how tall should it be since we have a fithwheel camper and a 28' goose-neck flatbed trailer? the camper isn't used much so no worries about getting it black because it is far enough from the excessive amount of smoke it makes when the HPOP and turbo up-pipes is working like they should.
And if you got a truck Gas or Diesel With a stack feel free to post here. | |
| | | Doug Site Owner
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| Subject: Re: Stack Idea for diesels? November 25th 2013, 5:26 pm | |
| I wouldnt. Thats just me though, im not a scientist. I just wouldnt trust it. Head Forum Administrator ** Chat Moderator ** Facebook Page AdminATLTF Facebook Page ** Chatbox ** How To Upload Pictures
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| | | willis923 Veteran Member
Age : 28 Join date : 2013-04-10 Points : 5779 Posts : 1408 Location : Galway NY
| Subject: Re: Stack Idea for diesels? November 25th 2013, 5:57 pm | |
| no.. bad idea. aluminum admits toxic fumes when heated. plus its pretty thin, and aluminum has a low melting point, which means that it could deform. just get some steel pipe and paint it black-hi temp paint | |
| | | Ariens YT11 Established Member
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| Subject: Re: Stack Idea for diesels? November 25th 2013, 6:18 pm | |
| - willis923 wrote:
- no.. bad idea. aluminum admits toxic fumes when heated. plus its pretty thin, and aluminum has a low melting point, which means that it could deform. just get some steel pipe and paint it black-hi temp paint
Willis From where I'm from ECO people in office consider Diesels the Devils brother because they are Heaping toxic black smoke emitters, AKA Washington State. so we are not at all worried about it. Like I said Aluminum has a melting point of 1221* F the exhaust only gets to 400-900* F at running temps around town and running WOT on the freeway up a grade so its not going to deform. | |
| | | Doc Sprocket Site VIP
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| Subject: Re: Stack Idea for diesels? November 25th 2013, 6:41 pm | |
| I'm about 99.9999% certain that AL does not emit toxic fumes, unless heated to a point WELL beyond "normal", beyond the melting point even. Generating fumes from actually burning it MIGHT be another story, but if I'm wrong, y'all better put away your aluminum pots and pans...
As for the exhaust system- there has GOT to be a good reason we NEVER see aluminum exhaust pipes. | |
| | | willis923 Veteran Member
Age : 28 Join date : 2013-04-10 Points : 5779 Posts : 1408 Location : Galway NY
| Subject: Re: Stack Idea for diesels? November 25th 2013, 6:54 pm | |
| my mistake doc.. i was assumeing. since its irrigation pipe, and is exposed to the elements, i figured its galvanized. which WILL emit noxious fumes.. either way, like you said. there is a reason we dont see aluminum exhaust | |
| | | Ariens YT11 Established Member
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| Subject: Re: Stack Idea for diesels? November 25th 2013, 9:26 pm | |
| I've seen them before they have a different noise to them, Like have you guys seen Square tubing used as a Exhaust pipe/stack? or a headache rack on a truck used as a Exhaust system? And the High Quality Stainless steel used on Diesel Exhaust's is mostly Aluminium. 30% Stainless and 70% AL, | |
| | | Doug Site Owner
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| Subject: Re: Stack Idea for diesels? November 26th 2013, 8:57 am | |
| Theres a difference between high grade aluminum and the stuff they use for irrigation. Head Forum Administrator ** Chat Moderator ** Facebook Page AdminATLTF Facebook Page ** Chatbox ** How To Upload Pictures
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| | | Ariens YT11 Established Member
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Age : 27 Join date : 2012-10-31 Points : 5182 Posts : 745 Location : The Wyo-Braska Panhandle
| Subject: Re: Stack Idea for diesels? November 26th 2013, 9:15 am | |
| I know....... I looked and its a higher quality irrigation pipe, its the same thickness of electrical Conduit that I have. | |
| | | Thunderdivine Veteran Member
Join date : 2012-12-21 Points : 6561 Posts : 2101 Location : Norway, Europe
| Subject: Re: Stack Idea for diesels? November 26th 2013, 11:18 am | |
| Guys there's 50 million types of aluminium.. And I think all metal and alloys contain stuff that's not good for us. If not the fumes from the metal kill you, the diesel exhaust will sooner or later. So nothing to worry about there.
6061 and 6082 aluminum is a so called Aircraft grade alloy higher melting point, and higher tensile strenght.
But I say go for a steel one or a stainless steel one. | |
| | | Ariens YT11 Established Member
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Age : 27 Join date : 2012-10-31 Points : 5182 Posts : 745 Location : The Wyo-Braska Panhandle
| Subject: Re: Stack Idea for diesels? November 26th 2013, 12:28 pm | |
| thanks TD! today I went to town, looking for a 8' long peice of 4" tubing and the two 90* elbows for exhaust is $100+, Stainless was about $150, might as well put the POS muffler back on and get 8mpg vs, straight pipe and get 15mpg | |
| | | Tractor Man Jeff Moderator
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| | | | Ariens YT11 Established Member
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Age : 27 Join date : 2012-10-31 Points : 5182 Posts : 745 Location : The Wyo-Braska Panhandle
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