Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Normal
I have seen several older short trip low mileage engines look like that. Quaker State and Pennzoil were mostly ran in the ones that I tore down that looked that way. The worst one that I ever tore down had sludge fully built up from the lifter galley to the bottom of the intake.