Join Date: Jul 2011
Location: Cologne, Germany
5/16" dia. fuel return hose sounds right.
(the OP was talking about the charcoal canister line, much smaller dia, but never mind!
Fuel return hose is only a shortish length which then connects to a hard line back to the tank.
Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.