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Possible valve rattle?

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Old Oct 16, 2006 | 07:10 PM
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Default Possible valve rattle?

I have a 2001 vette with 45,000 miles on it. Do the required maintenence on it. I use shell 93 always and I just noticed when I give it gas I hear a valve rattling or floating. I do not have any engine noise at idle or at any other time. Do I need engine work or fuel injector cleaner? any suggestions would be helpful! This forum rocks and has saved me many a dollar. When I have a problem, I come check here and 9 times out of 10 someone has had the same problem and the answer is right here............
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Old Oct 16, 2006 | 10:46 PM
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is this sound a valve or lifter? anyone, anyone!
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Old Oct 17, 2006 | 01:28 AM
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Well... LS1's are noisy little buggers to begin with. When you install headers, you can hear all kinds of valve train noise you couldn't before, so it is some what normal.

On the other hand, if it's bad enough, you should have it checked...

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Old Oct 17, 2006 | 12:56 PM
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it could be pinging from detonation....fuel air mix igniting before the plug fires.

Last edited by molson; Oct 17, 2006 at 02:38 PM.
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Old Oct 17, 2006 | 01:23 PM
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If it's lifters then maybe check change the oil out with some lucas that helped me out...
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Old Oct 17, 2006 | 06:26 PM
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Default Same here

I have same problem. Much more noticable after my headers and tune. 35k mi. Running in 6th...give it alot of gas, bogs down, and you can really hear it.
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Old Oct 18, 2006 | 02:07 AM
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Default pinging

try a can of octane booster and see if it goes away .
I found octane booster at the dollar store, a whole case of it there. buck a can !!!!
P.S. it had a recent mfg. date too
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