what you're motor oil of choice?

Royal Purple Pretty good, but not worth the money over Mobil 1 and others. Has been prone to some shearing and loss of viscosity. Pure Grade 4 PAO Esthers, like Redline , Royal purple and Amsoil, Amsoil Probably the best out of those. For most cars Grade 3 off the Wal Mart shelf stuff, like Mobil 1, Syntec, Platinum, is going to be good enough protection. Just run a good filter and watch change intervals. Check out Bob is the Oil Guy Forum. More than you would ever want to know about motor oil.

 
just seeing what everyone use's out there..
i use valvoline max lif high milage synthetic in my daodge spirt 4cyl. w/ 109,000 miles

and royal purple in my 91 gmc sonoma w/ 70,000 miles on it. also use royal purple in the rear diff.
mobil 1 syn in my chrysler 300

redline syn in the stang

couple diff syn's in the bike, depending on price @ purchase time

 
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