C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

a few minor problems, help please.

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Old Nov 15, 2006 | 02:51 PM
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deadite84
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Default a few minor problems, help please.

I will be brief so as not to waste time,

1. Under accelerationn there is a "hollow?" sound to the engine or exhaust, but you canrt hear it in neutral, only when it is actually moving can you hear it. I know it is not a knock, i know what that sounds like. i feal no power loss, but it doesnt sound right.
2. I hear a rattle/ knocking sound coming from the rear of my car, like around the rear tire. Maybe a bad bearing?

Thats it for know any help would be great.
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Old Nov 18, 2006 | 02:55 AM
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deadite84
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anybody?
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Old Nov 18, 2006 | 12:32 PM
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RRT vette
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It's difficult to diagnose sounds from the forum. Here is a bump anyhow.

1. not sure
2. could be a bad U joint.
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Old Nov 18, 2006 | 01:50 PM
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Does the sound under acceleration almost sound like someone is beating on a empty tin can? Mine does that too a bit, when I really get on it, it almost sounds like a shields is vibrating.

I can't find anything wrong. It won't do it in neutral, that is correct.

Is this the sound your hearing?
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Old Nov 19, 2006 | 03:22 AM
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deadite84
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Originally Posted by 85RIT
Does the sound under acceleration almost sound like someone is beating on a empty tin can? Mine does that too a bit, when I really get on it, it almost sounds like a shields is vibrating.

I can't find anything wrong. It won't do it in neutral, that is correct.

Is this the sound your hearing?
No, it sounds almoust like an exhaust leak, but i cant find one anywhere? I had a similiar sound coming from my suzuki GSX-R1000 (motorcycle) and it was a fouled out sparkplug, causing cylinder to fire weakly. I pulled a spark plug yesterday, and it was pretty nasty, so i am assuming that may be the problem. I will have the plugs replaced, i took one look at the other seven i didnt pull and decided i didnt want to do it, and see if that stops the sound.
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To a few minor problems, help please.





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