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I took some shots of pistons from this morning's incoming cores to show you some typical damage:
Normal wear, but broken locator pin and ring:
Improper break-in
Notice the blow-by under the rings all the way around. Proper break-in only has slight blow-by under the ring-gap:
Overheat (4 corner seizure):
Water Ingestion
Notice the nice clean underside with the wide gouges all around:
Forgiegn particle:
Detonation (due to too-low octane gas, too-high compression, slight air leak, too-lean carb settings, clogged fuel filter, etc.
Notice the damage right in front of the exhaust port - a sure sign:
[ April 06, 2002, 09:59 PM: Message edited by: Bryan Glynn ]
Normal wear, but broken locator pin and ring:
Improper break-in
Notice the blow-by under the rings all the way around. Proper break-in only has slight blow-by under the ring-gap:
Overheat (4 corner seizure):
Water Ingestion
Notice the nice clean underside with the wide gouges all around:
Forgiegn particle:
Detonation (due to too-low octane gas, too-high compression, slight air leak, too-lean carb settings, clogged fuel filter, etc.
Notice the damage right in front of the exhaust port - a sure sign:
[ April 06, 2002, 09:59 PM: Message edited by: Bryan Glynn ]
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