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Old March 27th, 2013, 03:21 PM   #1
TacMedic
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Default Air compressor / impact wrench questions

Okay very noob question here, but I cannot find the info i am looking for with google. I have a 8gallon 1.7hp 3.8cfm@90psi compressor. I know its a rather small compressor, but was all I could afford at the time. A couple years back I bought a blue light special craftsman 19.99 impact gun. This thing sucks bad, wont even break loose a lug to save its life.

I realize I need a better gun, however Every gun I see requires around 5cfm@90psi, Is that to run the gun constantly? today I saw a nice IR at lowes for 180.00, 600ft/lbs of torque. It says it requires on average 4 cfm@90 psi to run. Will my compressor handle this? I dont care if I have to wait a few for it to refill the compressor. I just want to be able to zip through a tire rotation, suspension lift, ball joints ect... without having to muscle alot of the bolts.

MY other option would be to buy a cordless, Lowes has a kobalt 300ft/lb 18v lith ion for 249.00, but the gun is HUGE and bulky and half the torque :-/. So I am kinda lost on what to do.
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Old March 28th, 2013, 08:23 PM   #2
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its probably just your impact gun, get one of these
http://www.summitracing.com/parts/ait-1355-xl/overview/

http://www.summitracing.com/parts/ait-1375-xl/overview/

I have the 3/8ths one, it kicks butt...
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Old March 28th, 2013, 08:36 PM   #3
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Never go wrong with a 6ft pipe for ease of muscle. great for crush sleeves as well.
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Old March 29th, 2013, 08:27 PM   #4
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it is but I am all about being LAZY lol, if i can just squeeze a trigger and get the job done, im all about that. LOL that is the same line I told my wife when I bought my first Glock.
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Old March 29th, 2013, 09:14 PM   #5
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Old March 30th, 2013, 08:42 AM   #6
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you do not have enough air storage. you need to add another tank. find old hot water tank, or a old air compressor tank . some thing like 30 gal tank or more.
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Old April 1st, 2013, 11:30 PM   #7
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turned out to be a combination of both, Went out and bought a nice IR 600ft lbs gun and it zipped the bolts right off, however my compressor runs nonstop, and I can only run the gun for about 10 second bursts lol
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Old April 2nd, 2013, 02:11 AM   #8
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IMO if you want to run pneumatic tools invest in a large 2 stage compressor. If you won't use them that much don't waste all the money, just buy electric and never have to worry about the noise, air hose, running out of air, etc. I wish I would have went with the ladder when I first started wrenching on my shit.
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