Your motor roars, the tach climbs and speed soars. You reach highway cruising speed in a flash, but the tach is still buried and the car feels like it's going to explode, even though you're only going 70 MPH. Not a good feeling, and one we've all most likely felt over the years. You could rebuild the rearend for some highway friendly gears, but that low end grunt will be gone. … [Read more...]