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Compressor advice

mrpizza

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Hey all. I am looking for advice on a compressor. I will probably buy HF earthquake air tools as they received good reviews here, and I like most of the stuff I have bought from HF. As far as a CFM rating on a tool and compressor is concerned, will the tool work very well if the CFM rating of the compressor is a little bit below the rating of the tool? I am looking at a 5.2 CFM compressor. I will use it for air ratchet, an impact for tire changes/suspension work, and maybe grinding if my electric dies. School me on this subject.
 
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Shadowdog500

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Unless you plan on using a bead blaster, DA sander or some other CFM hog that runs for longer periods of time you don't really need a big compressor. The the tank will give more than enough CFM for the short burst of the Impact or air ratchet no problem. I got by for decades with a 2 HP 25Gal Craftsman compressor and never really ran out of air until I got a bead blast cabinet and a sprinkler system that needed blowing out.

If you think you will eventually get a blast cabinet, HVLP paint gun, or DA sander, ETC get a really high CFM compressor, If not a 2HP 25 gallon tank will probably be fine.

Don't get an oilless unless you are deaf, because you will be after you use it for a while.

I love my Earthquake impact. I think my Craftman impact is retired for good now.

Chris
 
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mrpizza

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I am not much for painting, certainly not a car or anything of the sort. And I don't know what I would need a fancy sander for, my electric one works great. But what I WILL do is tell my wife I NEED the big one to make the tools work right. I always say "I need a new tool or two to do work on the car, it saves us money in the long run!" (while secretly amassing my tool supply!!!) Thanks for the heads up, I am looking at a few different compressors in the 25-35 gallon range, 5-6 cfm. I appreciate the information!
 

WR250F

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+1 to the above

As far as CFM requirements being a little low for the tool requirement, how happy you will be depends on what the type of tool you're working with.

A air grinder can outrun a compressor in a hurry, depending on how much grinding you have to do and how big of a grinder you're using.
 
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mrpizza

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My budget would be MAX $400, maybe fifty bucks over that, but that's really it. I am looking all over craigslist for used.
 
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PT Doc

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Nov 12, 2010
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But what I WILL do is tell my wife I NEED the big one to make the tools work right. I always say "I need a new tool or two to do work on the car, it saves us money in the long run!" (while secretly amassing my tool supply!!!) Thanks for the heads up, I am looking at a few different compressors in the 25-35 gallon range, 5-6 cfm. I appreciate the information!


I more that you would not be the first to have used this reasoning.

Well played.
 

plinker

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My budget would be MAX $400, maybe fifty bucks over that, but that's really it. I am looking all over craigslist for used.

If you can go 450$ and have the room for it, you could get a 3?hp 60gal Husky(campbell hausfeld) compresser at Home depot. They are decent and you'd have plenty of air.
 
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mrpizza

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If you can go 450$ and have the room for it, you could get a 3?hp 60gal Husky(campbell hausfeld) compresser at Home depot. They are decent and you'd have plenty of air.

I was looking at those last night actually. I am kind of drawn to the smaller 30 gallon husky, its an oil lubricated compressor and it outputs 6 @ 90 psi. It is also 350 right now at my local home depot, and I get 10% military discount on everything I buy there. I may go to Lowe's and check out the Kobalt compressors, unless those are junk?

And how about compressors from HF?
 

pipsters

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Those 25-30 gal units are perfect for you and will run an impact fine. Only advantage of the Lowes unit is 155 which may or may not be worth it. I think it so I bought a 150 psi unit.
 
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