I have the DN 5speed in my 80 and I will say the trans is easy to work on when needed which for me was only for inspection after purchase.
I did upgrade to the Long brand shifter and it made shifting much smoother; not as good as an internal rail trans but much improved over the Hurst.
I did upgrade to the Long brand shifter and it made shifting much smoother; not as good as an internal rail trans but much improved over the Hurst.