Yeah, I have the 4.26 in my EF & it accelerates a little quicker than my Gsr 4.40 but on highway it's @4.5 at 80. Also I noticed the difference in my EF say driving & come to a stop at traffic light red then change green I dont have to shift in lower gear to take off. Now if I did the same thing in my Gsr it would buck & stall.