I wodn't lock the diffrentials on dry pavement since the lack of slip could damage them! If you don't give a sh&*& about the diffs though, I would lock the center diff. Alex On Thu, 10 Oct 1996 Polidori1@aol.com wrote: > Riddle Me This: > If you were to 1/4 mile a Quattro (85-87 4Q) at a drag strip, would you lock > the front and rear diffs for max traction? > > Sleepless in San Diego, > D . . . > >