Honestly, do you use it or not ?
A great friend that has a auto shop, engine builder, chassis dyno etc, says he never does with no issues with his own or customer engines.
Says definetly not the Red, as you'll never get that part off ! lol...
I can see for the crank, but I've never used them on any part, with no issues in 40 years of mild building.
Some say always, others never. What's your thoughts ?