you WISH your engine was this clean!! That's a 84-month Toyota TrueStart battery. I can't decide to replace it with another one or get an Optima. I've hooked up a lot of aftermarket accessories (750W power inverter, Altimeter, GPS/cell charger, etc...) so I was thinking either a yellow top or maybe even a blue top. But I'm impressed with the 84-Months out of the Toyota TrueStart so I dunno. The power steering pump has a small leak from the back of the pump so a rebuild (or at least the rear O-ring) is an upcoming project. Notice the 6-gauge (or is it 4?) 8ft wire attached to the positive terminal wrapped around between the fusebox and fender, through the existing hole in the passenger-side firewall, and underneath the carpet behind the dash to the center console where it is hooked to the power inverter (underneath my drivers seat) and the cheap ($5) 12V cellphone/GPS/radar detector adapter. I had to rewire the adapter to upgrade the wiring and I wanted to be able to switch it on or off manually, regardless of whether the truck was running or not.