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spark knock when let off after wot

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Old May 12, 2013 | 11:32 AM
  #1  
insomniac's Avatar
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From: The Jersey Shore
Car: 1991 Firebird Convertible
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: 3.45 9 Bolt Posi
spark knock when let off after wot

so i just upped my timing 2 degrees via the sa tables. just added 2 across the tables.

my question is i do register a little knock on my ebl wud after i floor it right when i let off the gas. is that acceptable?


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Last edited by insomniac; May 12, 2013 at 01:38 PM.
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Old May 13, 2013 | 08:09 AM
  #2  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: spark knock when let off after wot

Likely from drive-train noise as the slack gets taken up in the opposite direction.

RBob.
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