I want to caution everyone reading this pos that I had one of the same Molnar ARP 2000 rod bolts overstretch on the length at 55 Ft. Lbs.
Those instructions siad to use the torque plus 30 degrees more travel. I called Tom and he ended up saying to use between .0057 up to .0064 stretch method instead of using a straight torque setting. I called ARP and they told me to call Tom, they said his bolts are custom made to his specs and they wouldn't say anything else about replacing the bad one. I ended up buying a complete set of those bolts from him and started torquing them to 35 04 40 Ft. lbs to begin with and then work my way up to get between .0059 up to .0063. My message is start low on the torque settings and go up to from there to get the lengths you want in 3 to 5 Ft. Lb increases
That one bolt was the only one that did that I suspect the heat treating was bad on that one ONLY