Why PennGrade1 Oil Should Be in Vintage & Classic Muscle Cars

PennGrade1 Performance Oil has many characteristics that make it a great oil for vintage, classic cars and muscle cars from the non-catalytic converter era. Find out why PennGrade1 should be in your classic car for the ultimate engine protection.
Engine Builder: www.enginebuildermag.com
PennGrade: www.penngrade1.com

[@Hotbeefsamich]

Been using the Brad Penn break in oil and the semi synthetic for many years with great success on flat tappet and racing engines!

[@mback12000]

20% good information. 80% advertisement.

[@thomasseliger2982]

Because we are a bunch of corporate clowns that want your money. Bla bla blah💩