I am going to raise my 2000 g16 and have read forums. Many say the rear end did not align and made it difficult with the jakes kit. I would also like to know what size tires to get. I have 12 wheels with low profile tires presently.
I never heard of the alignment problem. Tire size will depend on which lift you use and personal preference. With a 12" wheel I'd look for at least a 23" tire. Just make sure the lift you use is big enough for the tire size you want to go with.