Loved using the air impact to change tires myself!
JLucas is on the money though, 450Ft/Lbs of torque is alot to undue by hand on the side of rainy/dark/snow/sunny road.
Most tire shops use 'torque rods' which look like ratchet extensions but stop turning the nut when it reaches a certain torque.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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