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i currently use valvoline formula 50 25w60 in a drag car. Im looking at changing to a penrite oil as the penrite is easier to source near me Im not very technically knowledgeable about oils. Therefore can someone please give some guidance regarding what would be a better option for my...

i am interested in what the numbers actually mean on atf oil data sheets and what differences if any a higher or lower figure actually mean in a real world racing situation (i have listed the specs for comparable valvoline fuchs and castrol products for discussion below) i am sure the topic of...