. What oil should I use in my ( Buick Grand National / Turbo T / Regal T-Type / Turbo Buick / Turbo Regal ...
. What oil should I use in my ( Buick Grand National / Turbo T / Regal T-Type / Turbo Buick / Turbo Regal )? THE ANSWER IS: Our older 1980s Buick Regal vehicle engines (with flat tappet cams) NEED oil ...
