AlwaysLookin80 1,308 #1 Posted May 27, 2017 Was wondering what the difference between the Wisconsin aen and aenld engine was? I know the aen came on the senior. Share this post Link to post Share on other sites
stevebo-(Moderator) 8,034 #2 Posted May 28, 2017 The AEN is earlier. Just progression and maybe a few horsepower not 100% sure, Share this post Link to post Share on other sites
