FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumGeneral Tuning: Tuning issuesBoatPlease Login or Register to create posts and topics.BoatJB@jb-21 PostMembers#1 · June 1, 2021, 7:59 amQuote from JB on June 1, 2021, 7:59 amSo i put a 30064 in a twin engine boat. Supercharged. It has huge props. When i shift into gear it stalls. Any direction or ideas would help! Thanks! So i put a 30064 in a twin engine boat. Supercharged. It has huge props. When i shift into gear it stalls. Any direction or ideas would help! Thanks! Post Reply: Boat Cancel