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rod knock or spun a bearing?

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Old Jun 10, 2003 | 02:29 PM
  #1  
cr125r's Avatar
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From: Ringwood, NJ
Car: 1988 trans am
Engine: 5.7 gm H.O. crate engine
Transmission: 700r4
rod knock or spun a bearing?

i know that the noise coming from my engine is either a rod knock, or i spun a bearing. how do i know which one it is, and is it somewhat ok to drive until i get my 350 in?
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Old Jun 10, 2003 | 02:31 PM
  #2  
RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Same thing. A spun bearing is the usual cause of a rod knock. Spun bearing = disease, rod knock = symptom.

If you're putting your 350 in later this afternoon, then yes it's OK to drive until you get it in. Past that, I doubt it.
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Old Jun 10, 2003 | 02:35 PM
  #3  
cr125r's Avatar
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From: Ringwood, NJ
Car: 1988 trans am
Engine: 5.7 gm H.O. crate engine
Transmission: 700r4
Originally posted by RB83L69
Same thing. A spun bearing is the usual cause of a rod knock. Spun bearing = disease, rod knock = symptom.

If you're putting your 350 in later this afternoon, then yes it's OK to drive until you get it in. Past that, I doubt it.
well, no, ill probably order it tomorrow though. hmmm
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Old Jun 10, 2003 | 05:34 PM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
i had to drive my rod knockin lb9 from brighton to my house..which is about 50 miles or so

it was an intresting ride though
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Old Jun 10, 2003 | 10:17 PM
  #5  
Hodge's Avatar
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From: Louisville, KY
Car: 1987 IROC-Z28
Engine: 383 Vortec - carb
Transmission: T56 - 6speed
it'll prolly have very little power. the ECM will pull the timing like a mother when it hears the knock. at least that's what mine did.
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