FSM doesn't call out the ohm spec for either fuel type. I know a 88-91 TBI tank has the same specs as 83. That doesn't help with diesel but suspect it is the same.

Matt
69 Dart Swinger 340
83 W350, Megasquirted with 46RH
Old news: 72 Demon street/race mobile
Latest: 70 Duster backhalf car
and even more