Originally Posted by nhdoc

removing exhaust restrictions (cats) will do more to improve performance than tinkering with the fuel mixture. You might try Nitrous Oxide injection or a supercharger too, but that might just blow the engine up. As another poster pointed out, fuel and air have to mix in the proper proportions to burn best...adding more fuel will not result in more power unless it is mixed with more air.

Originally Posted by Hatterasguy

You need to sell it and buy one done up by AMG. Something with the 6.0L quad cam V8 should do it. You need a "Hammer"