We have used Lucas Heavy Duty Oil Stabilizer in ... The makers of Marvel Mystery Oil call this product “the original oil enhancer and fuel additive,” and that is part of what makes it unique ...

but visual observations of fuel clouding and viscosity put the Peak and Hot Shot’s Secret additives at the top of the list. STA-BIL, AMSOIL, and Archoil were close behind, but the Lucas and ...

It's comprised of a blend of detergents and additives that are designed to neutralize sulfur and other harmful things that ...

If you want your 1974 Maserati Bora to last, use the best oil additive you can find. Photo credit: David Traver Adolph ...