The (Van K?) aluminum tank on my SRR has a small chamber in the back to delay cavitation. If you put a donkey dick in the top use tygon or other non hardening tubing with heavy brass end piece and leave it a good 1-1/4″ off the bottom, it will stretch down and get hung on the bottom.
FAA certified jet engine and aircraft technician,
Nicholson Speedway class champion 2001,
Yamaha KT100 Service Center,
41 years karting experience