Jim, I'm sure you are right, just basing it on low budget projects and delusional thinking...
I did some experiments with the yield to torque head bolts, new ones. Seems like the turning procedure matched up with the torque specs for that size bolt.
Also got to thinking, when the factory tightens down a head, they use a multi spindle machine to pull all the bolts down at once, easy to have an encoder that counts the turns, all bolts load equal, gasket compresses equal, perfect world! Same thing with a set of mains, rods, etc, all pull equal at the same time, but take away the gasket compression.
But then when I reassemble something, I'm doing one bolt at a time, which means I have to run the torque sequence several times to compress the gasket, preferably run it again hot. I just can't see the yield to torque method being an advantage over the torque wrench under those conditions.
As for not reusing critical bolts, that's been around for ever, long before yield to torque bolts were thought of. But never had a problem. If it doesn't feel right torquing it down, something's wrong, check it out. But if it will torque, I call it good!
Yep, I'm old and hard headed! Not doubting the technology, just the way I see it! LOL
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