A lot of the LSx engine guys run the German Castrol. It's 0w 30 weight but it's more like a 40 weight. If you read bobistheoilguy the wear results are the best out there. You have to look at the...
Bringing a thread from the dead...the oil I always see recommended is the german castrol, from what I've read on bob is the oil guy it tests the best. That's what I run in my LS motor with a k&n...
I've used the GG sealant on a few cars and jet skis with great durability. I haven't tried topping it with a wax though I'd still like to try that to see if it enhances any depth.
Hmm..not sure if mine has professional on the side I got it around Christmas. That being said, I detailed two waverunners and a boat on speed 5 this weekend and had zero issues and I probably put...