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ofi Classic Cars is an automotive restoration shop in the metro Atlanta area specializing in pre-1974 vehicles. We offer everything from minor repairs to full frame-off restoration of collectable cars and trucks, including chassis, drivetrain, electrical, body, paint, and upholstery

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Tag Archives: Performance

Valvoline VR1 Oil

I also changed the oil last weekend, putting in Valvoline VR1 with a Purolator filter. I realized afterwards that the bottles were synthetic. Should I drain the synthetic and put conventional back in the car?   The oil isn’t going to hurt anything.  Just wait for your next oil change. We use Shell Rotella 15/40 in all our vehicles.  Continue Reading »