Siezed motor - Team Camaro Tech
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post #1 of 4 (permalink) Old May 17th, 04, 09:42 AM Thread Starter
Join Date: Jul 2002
Posts: 13

My buddy's 1970 big block motor seized up last weekend when he was driving about 80 mph (on L.A. freeway of course). He lost oil pressure and the motor seized up (unfortunately didn't hear the knocking because all his windows were rolled down). He had oil pressure problem earlier and just replaced the oil pump. His mechanic told him it may have been a bearing problem. I always thought bearings only received oil, and would have nothing to do with the loss of oil pressure, not enough to seize the motor anyway. If he spun a bearing, would this cause enough loss of oil pressure to seize the motor?
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post #2 of 4 (permalink) Old May 17th, 04, 05:25 PM
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post #3 of 4 (permalink) Old May 17th, 04, 08:43 PM
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Join Date: Jan 2001
Location: skiatook, ok
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Absolutely. A spun bearing can act just like a big oil leak inside the engine. It is possible too that it threw a rod (not neccesarily visible from outside the engine) if it spun a rod bearing and was still being driven.

"This is not a cheerocracy...I make the cheercisions around here"
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post #4 of 4 (permalink) Old May 18th, 04, 09:18 AM Thread Starter
Join Date: Jul 2002
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Well, I learned something new today. I would not have thought that the loss of a bearing could possibly cause the motor to seize. Thanks Blue69 and Travis for you comments. That's why this site is so great... There's so many folks out there with alot of knowledge and experience you're willing to share. Thanks again.
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