B barkingspider Joined Dec 23, 2013 Messages 2,457 Location socal Aug 23, 2017 #21 Synthetic 10w30. I ran it in my supercharged LS1 corvette over 500hp. Zero issues.
0 08z06 Thread starter Joined Aug 19, 2017 Messages 89 Location OH Aug 25, 2017 #22 I called redline and they recommend 5w30 or use 5-40 if i want to quiet it down a bit.
R Ram02 Joined May 13, 2017 Messages 478 Location New York Queens Aug 26, 2017 #23 Quaker State UD 5w30 is all you need
