TORQUE WRENCH.

Even with a calibrated impact wrench, which this one isn't, you use a torque wrench.

Jim

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein

On Jul 20, 2013, at 12:12 PM, Paul Rogers <wognacious@GMAIL.COM> wrote:

> Howdy,
>> I'm getting ready to install my 3-grooved crankshaft pulley and need to buy 
>> either a 1/2 in drive torque wrench, which only goes up to 250 ft/lbs or get an
>> air impact wrench rated at the same torque or possibly slightly higher. I 
>> know the bolt is supposed to be torqued to 258 ft/lbs but I'm hoping close 
>> counts. What would you do if you were in my shoes? Get the manual wrench or the air impact wrench? I already have a torque wrench that goes up to 100 ft/lbs.