Originally Posted By: yvon_la
It tell me this:if soot isn't going in the exhaust .then it stay in the engine and this means soot is being powder coated where it can inside the engine .
You have no idea what your talking about, The Catalytic Converter takes care of what little soot a gas engine creates.....
To the OP, Your LQ9 6.0L will probably outlive the truck it powers.