08-17-2004, 06:49 PM

lslapshot

Senior Member

Join Date: Aug 2004

Location: Newburgh NY

Posts: 106

Hello everyone. I have a 67 GTO with a 400 auto. and was wondering what oil viscosity is recommended? I followed the instructions from the previous owner and used Amsoil SAE 30 and now the car sounds like someone is tap dancing under the hood. I think I need something thicker? not sure what to do. Any help would be appreciated...Lou

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