knocking or tapping - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums
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post #1 of 2 (permalink) Old 09-05-2009, 08:03 PM Thread Starter
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Join Date: Jul 2009
Location: Detriot Mi
Posts: 50
knocking or tapping

I got another 3.8 fbody took it for a spin on the freeway auto trans I'm going 60-75 hi rpms. So i put it n 3 to kick the rpms and my car started slowing down I put in drive it wouldn't do no more than 70mph got home and a ticking/knock or tap started and the oil meter was jump from high to low any ideas? I'm thinking some rod bearings
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post #2 of 2 (permalink) Old 09-06-2009, 12:12 AM
Join Date: Mar 2008
Location: MD
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Doesn't sound good. Just noise could be a lot of things, but noise and loss of power along with oil pressue points to a bearing issue. I'd put a mechanical gauge on to verify, but its probably toast

Yep its slow.

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