2 1/4 or 2.5 non turbo should I belive mate straight to the gearbox You'll have to plumb in fuel filter, fuel return and electrics for the heater plugs
The landie's looking good saw you on Satuday on the old Shoreham Road
I've also given this some thought for both the champ and E type and would agree with CW get running ok on the standard system then may be spend some money but I'm not convinced to part with £400.00 or so