Speed7 wrote: What would keep the crack from spreading on down the block to the oil pan rail and up to the top of the cylinder?
dontpanic wrote:I had one sleeved and with in a few races the water started showing up in the oil again, when I pulled it down the sleve cracked in the same place again. maybe bad luck?
this was a +.060 350 block 450 hp dirt track
FWIW, you'll get other opinions, but the four-bolt blocks are still available for cheap. If I were building to my own preferences on most later V8s, less bore is more. The more overbore, the more problems.drag racing engine? Mild build 11 to 1 compression 6800 rpm engine.
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