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I don't think there are many on here who have lost it.

I was running 10 psi. It happened the instant that I ran out of meth. My tune was setup to pull timing, based on the IAT; but I guess I was on the ragged edge. I was playing with the timing and I bumped it up significantly. I dropped it back down to a middle ground for daily driving, but I went out for one night of fun, and bumped it back up. It made great power, right up until the moment it blew. :LOL: I was living very dangerously, and I knew it. It was my own greediness that contributed to the hole in my piston. I was planning a motor swap anyway, so it all kinda worked out.

With a good tune, I think 9-10 psi is perfectly safe.
 
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