Quote:
Originally Posted by slbates
Dave,
Did it happen at the track? Do you have an in-car video showing the magnitude and duration of the over-rev? If so, show it to a professional wrench and get his opinion. If not, what it your opinion? Did it zing to 9k rpms? Did it sound bad? I have no real opinion or sage advice, but if you can see a shiny smile on every piston it must not have been slight. If you plan to keep the car, you may want to consider a full rebuild. Have the rods checked and if they are out of round on the bottom or top end, toss them. Do not have them resized/reconditioned. If the length and size/ovality check out, at least replace the rod bolts, have them magnafluxed and stress relieved. A quality forged rod will stretch (permanent set) and not break. However, it will be weakened and when overstressed again it can let go in spectacular fashion.
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I don't have it on video so I'm at a loss there. If I recall, it went to about 8500 RPM. Dang....full rebuild....this just keep getting worse and worse. I may need to get a professional to look at it to help me decide.