Originally Posted by Frankie Boy
Numbers matching means all original equipment. Original engine, transmission, rearend, acessories, etc. Normally the engine is not modified in a numbers matching car, because a new intake manifold and carburetor don't match numbers.
Well not entirely because usually your intake manifold and accessories won't all have " numbers " on them. Basically it just means motor to the car , number match. Orig motor to orig car.