Hi Gary,
On my 1966 230SL, the longer one goes to the injector pump.
Hope this helps.
Happy motoring.
Ed Riefstahl
1966 230SL (Ms Magoo)
1970 280S (Miss Daisy)
1999 BMW Z3 5 speed
1991 BMW 318I 5 Speed
1997 Toyota Paseo Convertible - One of 1000, (have you ever seen one?)
1997 Ford Ranger step side (Mater)
2023 Mazda CX 5