I would try a 27 Tempest. I ran a 225 efi on a 21 foot procraft it had a 26 on it we put a 27 and that was the ticket He had a hydraulic jack plate I own 101 PROP SERVICE. Would be happy to help you101 PROP SERVICE3586 HWY 101Gamaliel AR 72537870 467 5299870 404 2129Thanks Gabe LawsonLake Norfork