As long as you change your oil regularly, use an SAE-rated oil, and keep the levels up, oil additive does nothing for your car/truck.
Most oil additives are just a concentrated batch of the anti-foaming and heat-stabilization agents and the detergents that make sweet crude oil 'motor oil'.
If you're running synthetic anyway, don't waste your $$$...
Its better to sweat in peace than bleed in war...
Do you shoot or do you talk about shooting?
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