45mile Road Endurance Race: M1 15W50 Performance or Redline XXWXX??

Messages
34,153
Location
Southern NJ
quote:
Redline. It is highly friction modified. It was built for racing
So was M1 15w-50. Says it right on the bottle. The advantage you get with RL is that you could run a lower viscosity then the M1 50wt and still have an oil that is robust for racing. M1 15w-50 has more ZDP for racing then the other grades of M1. With RL, it's consistant across the board. RL is also the most shear stable oil out there. [ July 17, 2004, 10:53 AM: Message edited by: buster ]
 
Messages
1,407
Location
Vail, Colorado
Redline 10W-40 performed better than Mobil 1 15W-50 in our BMW 2.8L 6 cyl and VW Passat 2.8L V6. Lower oil temps, uch quieter and smoother, and a bit more 'seat of the pants' power. I might try the 5W-40 Redline.
 
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