Smoke more faster. DIY smoke machine.

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Smoke more faster. DIY smoke machine.

Postby uberaudi on Feb Fri 22, 2013 11:27 pm

It seems like every older German car has dealt with vac leaks in some form or another. They can be obvious at times and easy to find or a real frustrating ordeal. So when the propane and carb cleaner tricks aren't getting you anywhere, another valid option is a smoke test. Here's my take on a smoke machine from an accumulation of ideas all for about 5 bucks and 20 minutes of your time. Ahhh, it's even my first DIY here.

To start out I collected the neccessary parts. A peanut butter jar, a couple hose fittings, and of course some Black & Mild's. You also need a pump which can be seen in later pics.
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Next I used a step drill to make a couple holes in the lid just big enough for the fittings to push in then ground off the paint/coating:
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A little flux and solder and the fittings were leak free. You can see the battery operated air mattress pump I used in this pic but I'm sure any low pressure pump could be made to work:
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Now take a Black & Mild and whittle the wooden tip down enough that it pushes into the backside of one of the fittings, leaving some air gaps on either side:
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Make a hi-tech adapter for the air pump:
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Attach some hoses and flip the pump on. Look at that cherry glow!:
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And a difficult to capture shot of the output. It definitely puts out some smoke. My small garage was cloudy in no time:
Image

I think this should be adequate enough to tell me what I need to know. I have good feelings about this.
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Re: Smoke more faster. DIY smoke machine.

Postby padroB5 on Feb Fri 22, 2013 11:30 pm

that is some GEANIOUS work!!!!
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Re: Smoke more faster. DIY smoke machine.

Postby YASHA7FOLD on Feb Fri 22, 2013 11:42 pm

Very nice pice of genius.


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Re: Smoke more faster. DIY smoke machine.

Postby Mikewire on Feb Sat 23, 2013 12:29 am

Love it! I'd like to see some pics or a vid of it in use.

And I gotta ask...any reason for the Black & Mild's in particular?

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Re: Smoke more faster. DIY smoke machine.

Postby MT-Getto on Feb Sat 23, 2013 8:59 am

I have that same mattress pump. I use it to get fires started :)
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Re: Smoke more faster. DIY smoke machine.

Postby uberaudi on Feb Sat 23, 2013 9:01 pm

But do you have the same smoke machine? I tried it out today and it worked great! I have a pretty good sized leak coming from my throttle shaft on both sides so it looks like it's time for a rebuild. It turns out smoke is hard to take a picture of but if you look real close, you can see it on the left side of the TB:

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