20psi stock 5.9 carnage

turbodart68 said

That figure is an old wives tale. At least the small block Chrysler one. A small block Chrysler will live at 1k HP forever as long as it doesn't get into detonation.

Categorically I agree with you but my original turbo motor made 1222 at the tire with 4 bolt splayed caps. In addition to that My Duster has them too and it made 900 at the flywheel with a 250 shot of nitrous, at that short block is 23 years old with about 400 passes o

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The 1,000HP was in reference to the SBF engine blocks, which tend to break main webs or split right up through the lifter valley. This can happen on any of the SBF at over 500HP. The 351W are not as prone to this. The Mopar blocks are definately more substantial.
The eatly Ford blocks are a little stronger while the quest to remove weight has affected the newer blocks strength.
Watch the David Vizard Powertec 10 episode oon the 1,000HP block mods. The 4 bolt is splayed and can be done to any block. I bet it is expensive, but when you want to play in that league it is all expensive. Probably less expensive the blowing the crank out on the ashphalt.