I'm sure this has been asked before but I'll ask again. Has anyone ever swapped from a 400 to a glide with no other changes and if so what was the result? I am just curious about the gain or loss in ET between the 2. I know the glide is best for bracket racing but I want to know about which one will et the best in a 3200 lb BBC car...I don't care about consistant. I just wonder if the lower first gear and harder launch with the 400 will be offset by the extra hp needed to turn it. I just horse around with my car and have fun, so consistancy doesn't concern me much. It dead hooks with little burnout with a glide...60' is low 1.30's I just was thinking of putting a 400 in it for fun.