Cylinder pressure is greatest at peak torque with maximum timing. So it's really easy to break pistons just before and at peak torque because peak torque is where maximum cylinder pressure occurs if yo have timing maximized for HP. The way to cheat this is to get past the peak torque rpm and minimize cylinder pressure around peak torque by dropping the timing 5-8 degrees from optimal. Once you get past that rpm level, then start feeding the timing back in to the peak HP rpm. I want to be clear, this is not the way to make the biggest HP curve throughout the entire operating range, but it is a way to keep the ring lands in tact and the rods in the block. And the idea is that when you're at the strip that you are over the peak torque rpm all of the time. This is why I think 81cutlass should move his rpm window up so as to stay over 5K when he shifts.
OK, I see that Craigslist is like p*rn to you - can't stop once you start (or so I've been told.) But I do believe you need another project or two, I'm sure your wife agrees.
What I am hearing (and slowly coming to the realization myself) is that I need to get some time on a dyno to actually see where my peak torque is.
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