I'm debating on a few diff scenarios for what I should put in to my 5spd. (mixes are 50/50 - 1qt each) Scenario 1) Redline 75w90ns + MTL Scenario 2) Redline MTL only (likely thicker than i would prefer) Scenario 3) Redline D4-ATF + 75w140ns (what UUC recommends) Scenario A) Motul 75w140 + ATF...