you might want to check out the thread
Lots of information there
There is a youtube Guru mahoganyCurls
who has tighter curls and ways she takecare of them. you can get information from her videos.
There is also a 3c forum 3c - CurlTalk
that might help.
3a with some 2a-2c, Medium/Low Porosity
Co-wash:deva no-poo/Vo5 kiwi
Leave-in:Shea Moisture/GVP conditioning Balm/AOHSR
Since long hair- I finger twist in big chunks, which helps till 5th day hair
Plop: Old T-shirt for 15 minutes ,diffuse