Best Race engine motor oil

[bamfp]

I agree on the Brad Penn. When run it in an FP 914 that sees 290-300* oil temps. It is what I will be running in my ITB 914. It is great for aircooled cars and solid tappets.

Blake Meredith

[jimbbski]

I haven't done any research on this but i have heard that a straight weight oil of 40W or higher the additives are different. That is they are similar to the additives that were in oils of just a few years ago. I guess it's because no OEM specifies anything but oil like 0W-30, or 5W-30, or 10W-30. So if you use a 40W oil it's for racing or old engines.