[steve25]

Once a rod bolt gets over stretched in a running motor the use of Lock-tite buys you ( given upon the rpm) about 2 more milliseconds before parts start flying out of the motor.

I know all too well from experience that the hammering that takes place by a rod bolt going south even at as in my case a mire 2500 rpm is scary!

You’ed think that while driving someone was
was banging on your cars frame with 8lb sledgehammer.

Even minimal hammering that sounds like only detonation will easily just crack the Lock-tite out of the bolt threads.

The main reason stock rod bolts fail is that they where over stretched when they where used again by the rebuilder, or they where torqued up too many times.

I consider 4 times the limit and if on your street motor you want to play with fire go 5 times .

Remember that if you take an original factor motor apart and put it back together that your rod bolts have then been stretched 3 times already.

Keep in mind that the G force loads a rod bolt needs to deal with are exponential.
They are for example twice as high at 4000 rpm as they are at 3000 rpm.

A rod bolt that’s starting to go south could live forever at 4000 rpm and then send the motor to its destruction at 5000 rpm.

Add to this for example that just due to the stroke difference between a 400 and a 455 the G force loading is 12.5% higher for any given rpm a 455 is at as compared to the 400s 3.750” stroke loading.