My 1988 D100 with a TBI 318 and long bed had the 999 transmission(junky version of the 904 for fuel economy)

2000 Dakota R/T, 408 magnum, 727, Indy heads
1000cfm 4150 carb, 93 octane fuel.
motor; 10.258 @ 132.78
200 shot; 9.262 @ 144.69
racemagnum