Try a heavy gear oil drain and fill for the whining but as for the 2nd gear issue u might have a bad pressure plate. Very common in ACT's if u have on in there
The clutch is stock with under a 100k on it. It just started slipping a few days ago too. So now I'm looking at a trans and clutch replacement. So I'll most likely go with the specv trans....
But for the fluid I just put in the Nissan MTF. Still wines...