Y'all's Thoughts on Torquing Bolts Correctly, Please

[homesick]

Final pass is incomplete until every bolt has reached 65FtLb. Mark each bolts as it achieves spec.

When I used to tighten heads or intake manifolds, I'd wait 15min before the 2nd pass.

I never heard of that, but I think I see the theory. It sure couldn't hurt anything.

joe

 

[Joseph Garcia]

Like @Fless and @OR VietVet, I torque to a lower spec for all bolts, then torque to final spec, and then check one final time to be sure that I got all of the bolts fully torqued. For me, it doesn't matter whether its head bolts or tire lug nuts.

 

[GMCChevy]

Since torque values are specified for a reason, if I am torgueing any bolt or nut, I am going to be sure sure sure. A second or 3rd pass is warranted, in my mind.

A beam style torque wrench is not exact enough. As I said above, if I am going to torque it to spec I am gonna be 100% sure. A beam style can be right on the money or close enough. Why torque at all if gonna be close enough. It is old tech. I believe in the digital/alarm type and then a click type, that may or may not be calibrated correctly.

Beam type torque wrenches are more accurate then click type. The only problem with them is that you need to have a clear view of it so the click type or digital with lights and sound is a lot more convenient. Digital comes down to quality and how well they were calibrated to begin with.

 

[Doubeleive]

i go by what the book says if it says make a pass at xx and a final pass at xx that's what I do.
just don't confuse inch lbs with ft lbs (like I have before) lol