Need an opinion..... Castrol synthetic
04-14-2012, 05:49 PM
#11
JK Freak
Join Date: Oct 2010
Location: Holyoke, MA
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I run conventional 5w-30 in the winter, and 10w-30 in the summer. My 3.8 sounds and runs better with thicker oil. I've read way too many oil burning issue threads along with engine failure all related to 5w-20 oil.
04-14-2012, 06:03 PM
#12
JK Enthusiast
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I have been running Castrol 5w20 in my 2011 since I purchased it in December 2010...... I have never had a problem with knocking or anything else.... Very pleased with it
04-14-2012, 06:51 PM
#13
JK Freak
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Originally Posted by Hijynxxxx
I have been running Castrol 5w20 in my 2011 since I purchased it in December 2010...... I have never had a problem with knocking or anything else.... Very pleased with it
