Not much work. Yank blower, Bolt another alternator on and stock belt. Disconnect the ducting feeding the turbo and install filter. I may play with it. I did notice the 369 is laggier than a stock turbo with a leaking up pipe. That's to be expected jumping from a 60mm turbo to a 69mm turbo. I just had to alter the tuning. I'm willing to bet the difference in performance between the 366sxe and 369sxe is minimal as the only difference is the 3mm larger inducer on the compressor.
I think the spoolup on a 366 to 369 sxe would be drastically different despite only 3mm difference. Just so nobody parses my words, if you have 200% nozzles its not going to matter, per se, but if you are trying to spool it with a 80% nozzle you will be swearing. Other than wot rips, i think a 369sxe and 80% nozzles is a match made in hell.
The vendors claim a 369 and hybrids with 100% nozzle is a match made in heaven but i think its not. Theres a well known turbo with similar specs and it is god awful unless you have some nozzle to get it going.
If i was going to run anything 250/200 on down on the street and tiw with it EVER id use the 364.5. If i was going 200% nozzles and gonna upgrade the induction side of my system (intercooler, ported heads, etc) id use the 366 for the same including towing. If i was going to use 250/200 and bigger but never tow, id use the 369.