[vin63]

Originally Posted by uneasyrider

I have understood that the stock block is only good for around 700-800hp. I guess I'm wondering if a 900hp+ stock Ponch would last more than a few passes?

It depends on the generation of block, how you machine it, and your tune. I routinely make ~1500 bhp and have run the same three factory blocks for the last 5 years. One gave up the ghost last year when we had a lean-out condition from a return poppet spring failure.