and two ap stops 85 also included is a 5 ohm resistor 88 to electrically replace the epc solenoid as seen by the pcm so no trouble codes are produced the pcs plug is fashioned to be a cylinder 0 804 inches in diameter and 1 55 inches long with a groove 89 shown in fig9 set from one end 0 39 inches which groove is 0 12 inches wide and 0 14 inches deep looking to fig1 the pmv plug is a cylinder 0 494 inches in diameter and 1 500 inches long the ap stops are also cylinders 0 31 inch in diameter and 1 60 inches long the plugs and stops may be conveniently machined in aluminum or in any other sufficiently wear resistant and hard material the springs may be dimensioned as follows springs 81 and 82 may be identical to the factory springs if desired accumulator inner springs 73 may be fashioned from 0 052 inch wire with a 0 460 inch diameter and 2 275 inches long accumulator outer springs 74 a may be made from 0 063 inch wire with a 0 632 inch diameter and 2 645 inches long alternate accumulator outer springs 74 b can be made from 0 072 inch wire with a 0 660 inch diameter and 2 425 inches long in any event a kit may include a tuned set of accumulator springs for a transmission as modified by the kit providing a predetermined shift performance likewise accumulator stops or other accumulator components may be included in a kit for further accumulator shift performance if desired the installation procedure of the exemplary kit requires a partial disassembly of the transmission the extent.