slant 6 oil weight

Why not add my two cents so I can beat that horse a little more. Here at Crower we have tested so many oils I cant even keep track of it all anymore. But here are the top four that we have tested. Driven, Brad Penn, VR-1 and last but not least is Rotella T-4 & T-6 50-50 blend. I get asked all the time what do I use in my daily driver slant six and I use the 50-50 blend Rotella. I drive my car 50 miles a day on the freeway at 2,500 rpm and just changed to a 200 4r trans and that dropped it too 2,000rpm. I just pulled the engine to do a 30,000 mile inspection. Also to do some work with Fast Fish for a billet rear main seal housing to use with their one cut rear main seal. Horse has fully been beaten now. Ha ha ha ha ha