I have some extra nos 2166 driver and 2sc1969 finals and would like to convert my newer galaxy dx959 that has irf520's to them .I know there are 2 diodes d90 and d92 in directly front of mosfets need to be reversed but what else did galaxy change.The reason i would like to do this mod is i had one of the first dx959's made and fully modded it.The radio had more power and swing than this at 13.8 volts which i run at .I have much more info knowledge on modding the old transistors final radio than this chassis with mosfets.Also one thing could someone tell me how to get 5kc slide down 6kc up on this radio i replaced r153 with 12k and it goes from27. 22500 centered to 22620 up and 22420 down.I would like to get to 27.20000 .Thanks alot for any info.