We run Redline 50wt race oil in our cars and they hold up just fine. I may start running Redline 50wt on the street during the summer months as it has all the additives and viscosity of a 15w40 oil. I do love me some Redline products too!!!
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04 TiGray RX8 MT, LS2 coil setup, 3" midpipe, HKS Hi-power 3" exhaust, TEIN S-Techs, Hotchkis Adj F/R sways, K&N Typhoon V2, Steel braided brake lines, Redline drivetrain fluids, ATE Super Blue brake fluid, Cobalt XR2/GTS brake combo, MB Motorpsorts Weapons 18x9 +45 offset, 275/35's
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