JMO They might last for a while under or at 700 hp. The main girdle, and other stuff will not keep them from splitting the cylinders. It seems this is 50% of the failures, the other is the main caps breaking. The after market stuff helps in this area, but nothing can be done about the cylinders...Im sorry filling the block doesn't help
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
