SR20Essex wrote:Those 6speed S15 SR transmission's are garbage, they packed so many gears in such a small place that they had to make them thinner. They are notchy and noisy, very prone to "misshifts" and other transmission woes.
this is true, they cant handle much power, not too sure about abuse though, but it cant be too good. They have become the "glass transmission" from nissan.
I do remember emailing OS Giken once about something i saw in a magazine, but they said that you could use the gear sets for the SR transmission. Plus, correct me if i am wrong but cant you just swap out the bell housings to use an SR transmission on a KA?