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Old 04-11-2008, 04:52 PM
dshealey dshealey is offline
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Default Re: ok how important is it? to use torque wrench

Quote:
Originally Posted by DevinSixtySeven View Post
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Also keep in mind a "crow's foot" wrench will change the amount of torque you're applying. The wrench will break at the same torque, but that torque will not be reflected at the fastener if the business end of your tool is offset from the head of the wrench. There's usually a different specification for a crow's foot, for example with the fuel line connector at the rear of the block...or is it the pulse damper? Whichever. If you're swapping your starter you'll find it . There's a direct torque, and an SST (Special Service Tool) torque, the SST is basically a crow's foot on a torque wrench.

-Sean
A crow's foot will put higher torque on the fastener being tightened than the torque wrench reads, IF the crow's foot is straight in line with the wrench pointing away from the handle, less if in line and under the wrench pointing toward the handle. If you put the crow's foot on so that it is pointing at a right angle to the sided of the wrench, then the torque indicated is very close to that applied to the fastener, the error so small as to be negligable.
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