Wierd sound when I get on it - Team Camaro Tech
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post #1 of 5 (permalink) Old Mar 20th, 10, 10:53 AM Thread Starter
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Mark
 
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Wierd sound when I get on it

When I really get on the gas in 1st or 2nd I am hearing what sounds like rattling from the engine (like nails in a tin can being shaken). Any ideas, I am not sure what detonation sounds like, could my time be advanced to far? The car does not struggle to start but sometimes (not always) I get a little run on when I shut it down.

Any thoughts out there?

1969 Camaro SS
350/300 M20
12 Bolt 3:73 Posi

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post #2 of 5 (permalink) Old Mar 20th, 10, 11:46 AM
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John
 
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Re: Wierd sound when I get on it

What is your compression ratio? Sounds like pinging, you might need to step up the octane to make this go away.

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post #3 of 5 (permalink) Old Mar 20th, 10, 02:06 PM Thread Starter
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Mark
 
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Re: Wierd sound when I get on it

Not certain of the compression ratio. I only put 93 octane in it.

1969 Camaro SS
350/300 M20
12 Bolt 3:73 Posi

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post #4 of 5 (permalink) Old Mar 20th, 10, 02:07 PM
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Re: Wierd sound when I get on it

back off on the timing a few degrees and see if it still does it.


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post #5 of 5 (permalink) Old Mar 20th, 10, 03:38 PM
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Steve O.
 
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Re: Wierd sound when I get on it

Quote:
Originally Posted by dawg View Post
back off on the timing a few degrees and see if it still does it.
X-2......struggling starter also indicates to much initial timing.

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