I remember the Penn Brothers in California, they use to race motorcycles as teenagers. I think Brads brother is into commercial concrete cutting on a large scale. Good guy's-fairtale lifes.
As for the what's used in racing....I believe NEO and Redline are custom blending weights for specific customers. I think Amsoil sells what it sells and that's it! But remember AL said Al Unser put Amsoil in his oil jugs for His Indy Cars....So who Know's
As for the what's used in racing....I believe NEO and Redline are custom blending weights for specific customers. I think Amsoil sells what it sells and that's it! But remember AL said Al Unser put Amsoil in his oil jugs for His Indy Cars....So who Know's