10w30 amsoil here.
Mar 27, 2012 #21 static74 in the 9's Established Member Joined Feb 19, 2009 Messages 804 Location OH 10w30 amsoil here.
Mar 27, 2012 #22 F fangs99 Active Member Established Member Joined Oct 30, 2008 Messages 1,777 Location Pensacola FL Correction.... Mine is 15-40 Rotella
Apr 4, 2012 #23 ferfont1 Member Established Member Joined Sep 14, 2007 Messages 596 Location n/a fangs99 said: Correction.... Mine is 15-40 Rotella Click to expand... so does this diesel oil have any ill effect on stock built 03-04 cobra motors? or just use it for loose built aftermarket motors?
fangs99 said: Correction.... Mine is 15-40 Rotella Click to expand... so does this diesel oil have any ill effect on stock built 03-04 cobra motors? or just use it for loose built aftermarket motors?
Apr 4, 2012 #24 D Driver500 Member Established Member Joined Feb 26, 2007 Messages 873 Location Baton Rouge 5w20 Mobile 1. Last motor looked fresh inside after 3 years of beating on it with my turbo setup at over 600hp. I'll be using the same oil again.
5w20 Mobile 1. Last motor looked fresh inside after 3 years of beating on it with my turbo setup at over 600hp. I'll be using the same oil again.
Apr 21, 2012 #25 Cobra8urZ06 Member Established Member Joined Nov 8, 2005 Messages 984 Location Ormond beach royal purple 5-20 here only problems i've ever had have been fuel related and when disassembled bearings all looked fresh.
royal purple 5-20 here only problems i've ever had have been fuel related and when disassembled bearings all looked fresh.
Apr 25, 2012 #26 T Turbo98 FR500TT Established Member Joined Feb 9, 2006 Messages 1,142 Location MIssouri 10W30 Rotella here. It has the good additives.