I am ready to mount a Motorguard to bypass filter the coolant. Having trouble finding the fittings I would like to use. The heater hoses are 11/16" and 5/8". At least that is what is marked on the hoses. Would like to T into the heater hoses and run 3/8" hoses from the Ts to the filter housing. The only way I can think of is to use 5/8" barbed fittings that screw into a 3/4" pipe thread reducer T, and a 3/8" barbed fitting for the smaller hoses. That's 8 pieces just for the Ts. Suggestions?