Auto engine type (4 letters)

{ Answer }

VSIX

{ Related Clues }

Kind of engine
Midsize motor
Midsize auto engine
Motor with some muscle
Motor with some oomph
Powerful auto engine
Engine type pioneered by the Buick Special
*It may be under a hood

{ Tags }

auto, be, buick, engine, hood, it, kind, may, midsize, motor, muscle, oomph, pioneered, powerful, some, special, type, under, vsix

{ Notes }

The answer VSIX is rarely seen, appearing only about once every 1600 puzzles.