Join Date: Apr 2001
Location: eustis , Florida
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Re: pinging 460
Norm, Its a 97! no vacuum advance [img]images/graemlins/wink.gif[/img]
If a 97 is still utilizing the TFI-IV ignition, you need to locate and disconnect the SPOUT connector before setting your base ign. timing. Sorry, not sure where the connector is on a 460 EFI.
I would pull the codes and check your fuel system also, maybe its running lean for some reason causing the detonation...