i could get the "new" Castrol GTX UltraClean 10W-40 SL/CF A3/B4 for a fairly good price.
I understand it's GTX syn-blend with more GrpIII stock and a stronger Add pack?
Some of you may know i have a 1988 Escort that was somwehat neglected by the previous owner and was thinkikg of trying it.
1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.
1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.
Both on G40 Si-OAT coolant.