A blog for Initial D manga translation
A 100 of what? 1000? Exactly what are those numbers pertaining to. It's not clear.
On page 117, Kenta mentions training that Keisukes level would take the normal person 100 weeks, but he did it in 4 months (20 weeks roughly).I think what he's saying is that Kubo thinks they have been training for 100 weeks but in reality it's closer to 1000.