FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: lilbitPlease Login or Register to create posts and topics.Post History: lilbitlilbitUserProfilePost Historyhave an 89 F250 351W, originally came from the factory with EFI. when purchased the truck squirre …In: 400hp street go system2 months agohave no clue but definitely following, my system is doing the same thing, any time I give it throttl …In: AFR's not being controlled2 months ago