Flared fittings should be fine! What pressure is the fuelpump putting out? Carter YH’s only want 3 psi! Matt Nall Sea Mtn., Or. Sent from WinMail12 From: K.F.K. via VirtualVairs Just put New Fuel line From Pump to New filter then new line to Carb on a my 63 turbo I have leaks it seems at all fittings and i have checked them for tightness