I would think of no advantage to Pennsoil Synchromesh.The t case is kinda primitive and I stil with 80-90wt.
Synchro has been used as additive to V6 V5MT1-0 s.


dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.