1 of two questions.

rookieshooter · September 13, 2011

I really need to obtain an on board air system. My question to those that have used both systems is this. What is the best system period.
A built York air compressor or one of those after market kits.
The amount of work to install either I really don't care about or price...Speed Matters.

On another thread.

DB_1 · September 14, 2011

I don't have any experience with a York OBA system but I have used RockRanger's wife's set up that she has on her Jeep and it's pretty impressive. I couldn't tell you the CFM's but it's gotta be up there.

I've had a PowerTank (10 lb. tank) with their high flow regulator (can also use it with nitrogen tanks) and it's probably as fast as you can get. The upside is that it's removable/portable. The downside is having to refill it.

I currently have a Puma compressor and it's a good unit but for 37's and up it's a bit slow.

Warn makes some nice compressors, their best unit puts out 5 cfm.

IZwack · September 14, 2011

rookieshooter said:
Speed Matters.

CFM is dependent on the compressor's RPM since a compressor's output is based on how fast the input shaft is being rotated. So you can increase the RPM if the CFMs are low, or change out the pulley assuming that your engine still has enough overhead torque at whatever RPM the compressor is being operated at (idle?). Also, compressors often have an operating RPM range so you'll have to factor that in (and the extra heat that builds up on the compressor's body).

snoranger · September 14, 2011

One of the guys over on FSB did a pretty good write up on a homemade Sanden (stock A/C compressor) based system. Check it out.

http://fullsizebronco.com/forum/showthread.php?t=183876

RockRanger · September 15, 2011

Engine driven compressor will be better. There is no way a 12v electric motor on a car will ever be able to put out the same power as the cars engine to drive a compressor.

Yes my wife has a york on her cj7. I am not sure the model but it is just a junkyard one her dad picked up somewhere. The only tank we have on it is a 2x4 rear bumper roughly 60" long. At idle it is about 30 seconds to air a 33" mtr from 15 to 30 psi. We have aired up entire groups of 20ish tires and it just keeps going. No waiting for it to cool like an electric and no running out like a powertank style does.

Bring the rpms up to 2000 and it really scoots. It is way faster then my 20 amp 120v 26 gallon compressor at home once you get past the tank reserve.

I am planning on a york on my truck one of these days.

Scott B. · September 16, 2011

If speed matters, you want an engine driven compressor - no question.

Maniak · September 16, 2011

If you have the room, a York OBA has to be the best.. I've seen some of those things put out > 10cfm.

Ideally, you would have both an engine driven York and either a good backup 12v compressor, or a co2 system.

For normal use, use the York as it gives you the cfm you need and will run air tools just fine and doesn't need to be refilled. The issue will be if you are having an engine issue. You can't run air tools off the engine if your fixing the engine.

Also, an engine driven compressor is somewhat portable since you can move the truck, but being able to pick up your co2 and bring it to where you need it can come in handy if you can't get the truck to where you need the air.

~Mark

rookieshooter · October 1, 2011

Thanks for the info on the York. Seems this is the best pump for the buck.
Read on one site that of the three models that York make which are the 6R 8R and the 10R. Try to find the 10R which has the longer stroke. Now I like that a Stroker Kit ha ha. Says it pumps more air which would make sense.

1 of two questions.

rookieshooter

DB_1

Elite Ranger

IZwack

snoranger

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RockRanger

Elite Ranger

Scott B.

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Maniak

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rookieshooter

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