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SFV1LE · 01-13-2020, 05:10 PM

Money no object, I prefer Amsoil and Motul for emissions systems safe oils.

But for a hard-driven race car seeing 250F+ frequently, with no concern about emissions components, I'll admit I'm old school and like high ZDDP oils despite some people saying the benefit is negligible.

Mobil 1 Race oil comes in 0w30 and 0w50 and has 2-3x the ZDDP of standard M1, they run it in many pro race cars including Corvette.

I was sponsored by Lucas oil for 2 years and always used their synthetic Racing oil in 0w40 and 20w50. I often mixed it for colder track days. This oil had 3000+ ppm ZDDP which is the highest I've ever seen--over 50% higher than M1 Racing.

When an oil line fitting failed unnoticed on the Dyno on my 500 WHP Evo X 2.0L 8500 RPM race motor, it quickly ejected 5QTs of oil while running 27 psi pulls to red-line several times until a fire ignited under the car (and we noticed the problem). The engine was dis-assembled and I assumed there would be severe oil starvation damage... there was zero apparent damage to bearings, rods, pistons, sleeves, only a slightly damaged cam that had to be replaced. I was running Lucas Racing 10w40/20w50 50/50 at the time.

01-13-2020, 05:10 PM	#3
SFV1LE Drives: 2018 Hyper Blue ZL1 1LE Join Date: Dec 2018 Location: CA Posts: 1,365	Money no object, I prefer Amsoil and Motul for emissions systems safe oils. But for a hard-driven race car seeing 250F+ frequently, with no concern about emissions components, I'll admit I'm old school and like high ZDDP oils despite some people saying the benefit is negligible. Mobil 1 Race oil comes in 0w30 and 0w50 and has 2-3x the ZDDP of standard M1, they run it in many pro race cars including Corvette. I was sponsored by Lucas oil for 2 years and always used their synthetic Racing oil in 0w40 and 20w50. I often mixed it for colder track days. This oil had 3000+ ppm ZDDP which is the highest I've ever seen--over 50% higher than M1 Racing. When an oil line fitting failed unnoticed on the Dyno on my 500 WHP Evo X 2.0L 8500 RPM race motor, it quickly ejected 5QTs of oil while running 27 psi pulls to red-line several times until a fire ignited under the car (and we noticed the problem). The engine was dis-assembled and I assumed there would be severe oil starvation damage... there was zero apparent damage to bearings, rods, pistons, sleeves, only a slightly damaged cam that had to be replaced. I was running Lucas Racing 10w40/20w50 50/50 at the time.