[marvgarr68]

Originally Posted by bigmac73

I have to agree with the rotella, I have a new crate engine, I use the 15-40w plus a Lucas break in additive after every oil change, my manufacture recommends not using a synthetic until over 7500 miles, but personally i will just stick to the rotella with an additive

Now thats what im talking about I too use the lucas breakin additive when I rebuild a engine but not every oil change just the first oil in it. I use a small bottle of stp sometimes just half of it depending on the cap of oil pan to help when they sit and oil drains off. And NEVER anything but rotella