BrendanC
$100 site donor 2024
2012 silverado 2500HD 130k miles 6.0L LY6 (engine swapped around 100k by me)
in service 6k
out/off: 5 quarts Valvoline Restore and Protect 5w30 and 1 quart HPL Engine Cleaner 30 with Carquest Premium 84502
in/on: 6 quarts HPL PCEO 5w-40 with Carquest Extended Protection P84502
looks good, Valvoline Restore and Protect +EC30 did some cleaning.
in service 6k
out/off: 5 quarts Valvoline Restore and Protect 5w30 and 1 quart HPL Engine Cleaner 30 with Carquest Premium 84502
in/on: 6 quarts HPL PCEO 5w-40 with Carquest Extended Protection P84502
looks good, Valvoline Restore and Protect +EC30 did some cleaning.