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Old Jul 10, 2011 | 01:25 AM
  #1  
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Need ideas

So I really want to put airhorns on my truck and onboard air. But i dont wanna spend $3-400 on an electric pump. My thought was a york compressor ( i already have a spare) run off of the driveshaft between the trans and transcase. Maybe make it have a bolt pattern the same as the 4 bolts that hold the yoke?? Ideas welcome. No room in engine compartment.
 
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Old Jul 10, 2011 | 09:53 AM
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If you have a 4 spd there is a pto available iirc for those trannys, you could use it to pull a belt driven york possibly.
 
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Old Jul 10, 2011 | 09:59 AM
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From: THIS IS SPARTA!, ...Mo.
A GM pancake A/C compressor works just fine for this. ...and it doesn't take up a bunch of room.

It's available at any junk yard for a few bucks and easy to hook up. Just run a power wire to the clutch and turn it on when you need air. They also sell kits to make it automatic like a proper air compressor.
 
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Old Jul 10, 2011 | 12:03 PM
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I'm goin with the zf transmission and I've heard horror stories about using ptos with them. I wanted to use the york because its the best compressor for onbord air with little maintence.
 
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Old Jul 10, 2011 | 10:55 PM
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If all you are going to do is use it for air horns, you can use the electric compressor off an old caddy or lincoln.
 
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Old Jul 10, 2011 | 11:02 PM
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I have train horns on all my trucks (5 to be exact). I use a Nathan 3 chime train horn with:

ViAir Heavy Duty Air System
On my 79 Bronco

ViAir X'treme Duty Air System
On my 96 F350

5 Gallon Air System
Just got this one for my 74 F250

Heavy Duty Kleinn Air System
Have this on my 2004 Excurion and on my 96 Bronco
 
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Old Jul 11, 2011 | 12:01 AM
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Wow, thats alot of money for a horn. I knew a kid in town who had one, he came up behind me on the interstate and cut loose with it, scared the crap out of me. When I saw him a month later or so I told him next time he did that I'd smash his ***### windshield out along with his teeth. Its a good thing it was a month later as I had cooled off a bit.
 
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Old Jul 11, 2011 | 12:17 AM
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Originally Posted by SuperDuty93
I have train horns on all my trucks (5 to be exact). I use a Nathan 3 chime train horn with:

ViAir Heavy Duty Air System
On my 79 Bronco

ViAir X'treme Duty Air System
On my 96 F350

5 Gallon Air System
Just got this one for my 74 F250

Heavy Duty Kleinn Air System
Have this on my 2004 Excurion and on my 96 Bronco
Like i said i have no money to spend on electric stuff.
 
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Old Jul 11, 2011 | 12:18 AM
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Originally Posted by starmilt
If all you are going to do is use it for air horns, you can use the electric compressor off an old caddy or lincoln.
I have no money to spen on electic stuff and i want to be aable to fill up tires and run impacts
 
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Old Jul 11, 2011 | 08:51 AM
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From: THIS IS SPARTA!, ...Mo.
Originally Posted by 73f250highboy
I have no money to spen on electic stuff and i want to be aable to fill up tires and run impacts
Junkyard parts are cheap. That's why I suggested the A/C compressor. It'll do everything you want it to, and not cost a ton of money. It WILL, however, cost something. You won't get it for free. Custom trucks don't come cheap and no one is going to donate what you want. There's no magic compressor/air system that costs $10, runs by osmosis from the spinning of the engine and is invisible to the naked eye. If an air system is what you want, nobody ever put one on a factory truck. You'll have work for it. Plain and simple.

I don't mean to sound like a @$$, but you shot down some good ideas because you don't have any money, or it's not going to work, etc. What did you expect to hear for an answer?

You could always mount a gasoline powered, construction site air compressor in the bed. ...but that would cost money too.
 
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Old Jul 11, 2011 | 01:26 PM
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I was basically asking for ideas to mount a york compressor somewhere. Or if you guys think making a pully to go on the yoke of the trans. I also wanted the york compressor because they build air up faster then an electric one. Unless you spend a lot of money on a nice one.
 
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Old Jul 11, 2011 | 10:29 PM
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From: THIS IS SPARTA!, ...Mo.
Originally Posted by 73f250highboy
I was basically asking for ideas to mount a york compressor somewhere. Or if you guys think making a pully to go on the yoke of the trans. I also wanted the york compressor because they build air up faster then an electric one. Unless you spend a lot of money on a nice one.
This will only build air if the truck is moving, and slowly at that. Even a GREAT air compressor doesn't build air at 4 rpm's. (Like when you're crawling around on a trail)

The compressor has to spin at engine rpm. The pto on the trans spins off the input shaft of the trans. (engine rpm with the clutch engaged in neutral) Again, a junk yard A/C compressor already has engine brackets to mount it to the engine and a pulley to run it. Put an air filter on the inlet side and a hose to a storage tank on the outlet side. Wire the clutch to a toggle switch inside the cab. When you need air, flick the switch and build air like any air compressor would (that's an A/C compressor's job. to compress air) When you get up to 120 PSI, turn the switch off. Or, as I said, they sell a kit to make it function like a governed compressor. Be sure to put a blow off valve in the storage tank in case you forget and leave the A/C clutch engaged.

Many, MANY people have made this modification. Don't make it harder than it has to be.
 
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Old Jul 11, 2011 | 11:27 PM
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Originally Posted by earthquake68
This will only build air if the truck is moving, and slowly at that. Even a GREAT air compressor doesn't build air at 4 rpm's. (Like when you're crawling around on a trail)

The compressor has to spin at engine rpm. The pto on the trans spins off the input shaft of the trans. (engine rpm with the clutch engaged in neutral) Again, a junk yard A/C compressor already has engine brackets to mount it to the engine and a pulley to run it. Put an air filter on the inlet side and a hose to a storage tank on the outlet side. Wire the clutch to a toggle switch inside the cab. When you need air, flick the switch and build air like any air compressor would (that's an A/C compressor's job. to compress air) When you get up to 120 PSI, turn the switch off. Or, as I said, they sell a kit to make it function like a governed compressor. Be sure to put a blow off valve in the storage tank in case you forget and leave the A/C clutch engaged.

Many, MANY people have made this modification. Don't make it harder than it has to be.
Like I said in the op my truck has no room in the engine compartment meaning it already has a/c. And its a serpentine system off of a newer ford. Also the trans would be in 4th and the tcase would be in neutral. I have no need to build air while crawling around on a trail.
 
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Old Jul 12, 2011 | 05:33 AM
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From: THIS IS SPARTA!, ...Mo.
Well, it sounds like you already have it licked then. Good luck with it.
 
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Old Jul 12, 2011 | 08:24 AM
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From: Ideeho
If you plan on running it off of the driveshaft, putting the T case in neutral will not work. You wont be spinning the driveshaft with it in neutral........................................... .............Think about it!!!
 
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