R raskm Joined May 14, 2004 Messages 9 Location ANDREWS AFB, MD May 24, 2004 #1 You think 1qt mixed with 4 qts is ok....I got a case of castrol 10w 30 HM and accidently 1qt 10w 40 HM...to lazy to take it back or should I?
You think 1qt mixed with 4 qts is ok....I got a case of castrol 10w 30 HM and accidently 1qt 10w 40 HM...to lazy to take it back or should I?
S seotaji Joined Feb 16, 2004 Messages 1,139 Location USA May 24, 2004 #2 It really doesn't make a difference.
T TallPaul Joined Oct 22, 2003 Messages 13,131 Location By Detroit May 24, 2004 #3 The overall mix would still be a 10w30, just a slightly thicker 10w30.