Dug a bit deeper on a Mustang site and the owner did say 24 lbs boost, might have been too much?
Dave
Posted by: Blue_Diamond
Thanks for all the well wishers.Yep its my gt500 5.4 ken bell 2.8 stage 3 Dynateck long tubes 80 psi inj and reven racing rad and heat exchanger but yes a stock bottom end running c 16 a rod bolt failed at 6500 rpms and took out the block the tune was right on after teardown the pistons tops were perfect.All hard miles on the car also not trailered anywere.My fault turning it up to 6500 with 24 pounds of boost.The 8oo hp club was very exp for me!Just thougt I would share my experence,as bad as it was.