Yes, there was a rev limiter. It probably worked, but I'm thinking freewheeling rpms might be less forgiving than while under a load???
I disassembled the transmission and the second gear slider was really chewed on the end and the syncro had almost no points left. My theory of the transmission jumping out of gear might be correct as I researched T-5 problems with these warn parts and jumping out of gear is a common symptom.
Some of the carnage is interesting as you can just imagine the cycles of destruction that must have taken place.
A window below the starter in the skirt as well as the pan from the #4 cylinder.
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Almost a complete wipeout of the #4 cylinder wall.
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Broke through the valley in two places. Note lifters broke in half.
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Broke the camshaft completely at the last two lobes.
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Lots of debris in the pan.
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The #8 piston was hammered by both valves and left the exhaust valve severely bent.
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Other areas of damage were the windage trey was bent, teeth from the distributor and cam gears were destroyed, and the aluminum flywheel was nicked pretty good when the freeze plug from behind the cam tried to exit the bell housing. The crazy thing is the rod was bent, but not broke. The heads need to be checked for cracks or guide problems, as they will be used on the new stroker motor.
Perhaps the engine's destruction started with floating valves, but only the #8 piston had valve marks. If there was contact between the #4 piston and it's valves, we will never know.
Charlie Burns Laton, Ca (South of Fresno)
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BurnsRacing981@gmail.com