munkysex00
New LVC Member
When I emailed Mobil the summer before last to see what they said about leaving the oil in longer because it was synthetic, they told me to change it according to what the owners manual intervals says still.
thats because their oil sucks. its on of the worst rated synthetics on the market. watch this video.:
http://www.castroledgeusa.com/#/why-upgrade/results
check out the whole website. just knocks mobile one the whole time.