Alright so the 240's due for an oil change, I've got all the nonsense to do it and all I just have a quick question: I'm currently running a regular non-synth oil and want to switch over to a full synth. I just want to be 100% sure before I do it that I don't have to do anything special to change over. I'm pretty sure there's nothing needed but like I said, it's just a piece of mind thing. I talked with Casey at XAT but forgot to ask him if there was anything special needed...anyone?