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  #11  
Old 10-17-2015, 02:05 PM
atalla atalla is offline
 
Join Date: Jul 2014
Location: Whistler BC
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270 = 2x
270A = 3x
270A-4 = 4x

Love My 270A 40 psi to set -4's
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Last edited by atalla : 10-17-2015 at 02:06 PM. Reason: addition
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  #12  
Old 10-17-2015, 03:27 PM
David Paule David Paule is offline
 
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Location: Boulder, CO
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I've got a 3x Sioux which was good until it died, which seemed quite early. It had had regular lubrication.

I replaced it with an ACAT 2x gun which is, if anything, even better. It's a bit underpowered for the 1/8" rivets, though, so I'd recommend the 3x.

The ACAT guns are sold be The Yard Store, which like the bertter-known tool stores, is excellent.

Dave
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  #13  
Old 10-20-2015, 07:49 AM
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clevtool clevtool is offline
 
Join Date: May 2006
Location: Boone, Iowa
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Quote:
Originally Posted by atalla View Post
270 = 2x
270A = 3x
270A-4 = 4x

Love My 270A 40 psi to set -4's
The smaller Sioux is 270A-2 where as I recall, the 270 without the A is their non-aircraft hammer without the spool valve trigger. As noted with the psi above, the Sioux rating is not the same as the standard "X" system. They each hit about 1/2X harder than their normally rated counterpart. Thus a Sioux -2 will do rivets that a 2X will not. If anyone has used a Sioux -3 on 3/32 rivets, I would love to hear the feedback. It seems like it would be a fine line between under and overdone?
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