Synthetic Group 4 Oils

[Ldub]

I actually LOOKED at a case of Amsoil today.

[don moore]

I got some napa syn. and a gold filter ..but .this VX has had valvoline it it its entire life ..114k.... should i switch to syn. or keep reg. 5w30 valvoline.
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[JHarris1385]

switch to syn.

[etlsport]

synthetic oil will free up some gunk that regular oil won't, so when/if you do switch, change your oil after 1000-1500 miles the first time to get rid of all that stuff in the oil and in the filter. then after that you should be good