389 cubic-inch. 360 horsepower
The standard tire size for a '66 GTO is 7.75x14.
Yes. A gto is pretty much the same chassis as a chevelle, which was available with a 396, which is the same size and weight as a 454.
Sae 10w40.
The 1966 GTO only came with the 389 cid motor. You could, however, get it with the standard 4 bbl quadrajet Rochester carb or the optional tripower (3x2 carbs).
Yes.
yes it will
That depends on the year, engine size...
Images for 1966 GTO are available on the Ultimate GTO website. Ultimate GTO has a tool which allows you to search for certain pictures, narrowing down the color and other details.
Oldsmobile V8/1962 TO 1977
Go to any parts store website. Put in your car. You'll find several listed.
No
206.4 inches.