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Originally Posted by bitchincamaro
wow, thats crazy, so final verdict is the cylinder wall collapsing? and i guess the msd pill failed during the burnout, overreved the motor? good to hear its back in action and pulling its best et's yet though
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Yes, the cyl wall collapsed and blew up that engine. We found out afteward that we were approximately 100 hp over the max the engine could handle.
The msd chip was actually having the opposite problem, so it had nothing to do with why the other engine popped, just why we were pulling our hair out this weekend. It was a 7400 chip, and right around 6800 rpm the engine would start popping like it was either too lean or too rich, so we were chasing that all weekend. Finally we thought that maybe the chip went bad, pulled it out, and it ran fine, going thru the traps at 7k.
Oh yeah, forgot to mention. I won my class on Saturday, the first time out with the new engine
Hopefully its a sign of things to come.