someone have installed this adapter for Powerlide to RB mopar ? i have problem... converter end play is zero ... my mid plate is .150 can depend from this ? otherwise need a spacer from transmission to mid plate ( firewall)

1970 Cuda 496 street driven 9.22@150
1971 Demon 572 7.82@176
1957 Desoto Adventurer Convertible 345 Hemi
1958 Plymouth Fury Christine
2008 Dodge Ram 1500 Hemi
1970 Dodge ChallengerRT 6pack 4 speed 1 of 135
1968 Dodge Charger RT 4 speed