FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: garryshwPlease Login or Register to create posts and topics.Post History: garryshwgarryshwUserProfilePost History427 SBC Dart Block, AFR heads, 671 Blower Dual Power adder. Consistently dies while warming up! …In: Dies at idle below operating temperature3 years ago