first you're going to get many different answers on this. you need just remember 1 thing. there are 1/2 impact guns, 3/8 impact guns, air rachets with torques up to 100ft lbs. and there are butterfly guns. you need to match the gun to the job. and when there are adjusters on the gun always start with the lowest setting for torque and work up.

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Thanks Much!
Craig

1972 350sl Red/Blk 117k
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1987 420sel gold/tan 128k
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