FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: 68dustinPlease Login or Register to create posts and topics.Post History: 68dustin68dustinUserProfilePost Historyfirst question................... is the fuel system vented..... that was my problem on my 68 &n …In: vapor locking in 1965 mustang 289 mild up grade in engine 262 extreme energy cam performer intake headers hei ignition and headers and dual exhaust8 years ago