On Sat, 23 Feb 2008 06:12:46 -0800 (PST), mark
wrote:

I bought what is apparently the most powerful 1/2" drive impact wrench
available IR 2135 with 1000 ftlb or torque and am still finding it
weak. The other day it would not remove the bolts that hold on my
front brake caliper bracket and sometimes it wll not remove lugnuts. I
am using it at 125psi with 50' of 3/8" hose and 1/4" M (milton) quick
connects). Would going to 3/8" qc fittings help at all? I notived a
local tire shop has the air pressure at 150 psi. Is this what is
needed? How come air tools say never to go above 90 psi?


On that IR impact, 3/8 fittings and 150psi WILL help. So will 1/2"
hose at that length. The 2135 is a decent impact, but I still like my
OLD CP better (can't remember for sure but I think it is a 734?) It is
slower than the IR but I have found it more effective, while braking
fewer studs. Just my experience.

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