Not Ranked
Hi Pat WHY in the hell would you want to go to a iron block when you already have a 434 tested motor in your car??? Buy another shelby block and put the biggest crank and bore in it. That should be 550 ci. I have only seen a rough blank block of the new gen motor, was not happy. Nothing was drilled or tapped. The head studs are not to go to the bottom of the block and pull on the main cap and flange area where the most strenght area is. I hope they gave you the motor for jobber. Are you going to heat cycle and vibrate that block or kyrogenic it befor you do the machine work. Looking at that 434 fe you have about 30k in it with great results. To do all the machine work to that motor is going to cost another 15-2k Your shelby didnot need that much to get ready. I hope this motor doesn't become a boat anchor. Time will tell. Your 434 is sweet. Have a great holiday Rick Lake
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