my Low dollar 318 hop-up project

YES IDK if the 998 is lockup I know the 999 is\been awhile they are beefed up with 5 clutches and more planets in the planateries
My Dakota 5.2 has 3:54 with 235/70 tires works well even towing, could go taller on the freeway
FWIW I've used 518 with 3:31 to 3:91 others have gone lower (any higher?)
With that rear gear good choice dartfever
That rebuild can be DIY