MGB Engine Oil Chart
        RB Part Number    
Model Year   Brand 1 Litre 4.5 or 5 Litre Description Capacity Litres (drain & refil)
MGB 1962-80 1.8 carb Carlube Classic - RX1363CL 20w/50 mineral 4.30
MGB 1962-80 1.8 carb Castrol Classic RX13631L RX1363 20w/50 mineral 4.30
MGB 1962-80 1.8 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 4.30
MGB 1962-80 1.8 carb Castrol Classic RX15701L RX1570 XL30 mongrade  
MGC 1967-69 3.0 carb Carlube Classic - RX1363CL 20w/50 mineral 7.50
MGC 1967-69 3.0 carb Castrol Classic RX13631L RX1363 20w/50 mineral 7.50
MGC 1967-69 3.0 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 7.50
MGC 1967-69 3.0 carb Castrol Classic RX15701L RX1570 XL30 mongrade  
MGB GT V8 1972-76 3.5 carb Carlube Classic - RX1363CL 20w/50 mineral 5.10
MGB GT V8 1972-76 3.5 carb Castrol Classic RX13631L RX1363 20w/50 mineral 5.10
MGB GT V8 1972-76 3.5 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 5.10
MGB GT V8 1972-76 3.5 carb Castrol Classic RX15701L RX1570 XL30 mongrade  
MGB Engine Oil Chart
        RB Part Number    
Model Year   Brand 1 Litre 4.5 or 5 Litre Description Capacity Litres (drain & refil)
MGB 1962-80 1.8 carb Carlube Classic - RX1363CL 20w/50 mineral 4.30
MGB 1962-80 1.8 carb Castrol Classic RX13631L RX1363 20w/50 mineral 4.30
MGB 1962-80 1.8 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 4.30
MGB 1962-80 1.8 carb Castrol Classic RX15701L RX1570 XL30 mongrade  
MGC 1967-69 3.0 carb Carlube Classic - RX1363CL 20w/50 mineral 7.50
MGC 1967-69 3.0 carb Castrol Classic RX13631L RX1363 20w/50 mineral 7.50
MGC 1967-69 3.0 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 7.50
MGC 1967-69 3.0 carb Castrol Classic RX15701L RX1570 XL30 mongrade  
MGB GT V8 1972-76 3.5 carb Carlube Classic - RX1363CL 20w/50 mineral 5.10
MGB GT V8 1972-76 3.5 carb Castrol Classic RX13631L RX1363 20w/50 mineral 5.10
MGB GT V8 1972-76 3.5 carb Carlube Triple R RX1896 RX1897 10w/40 semi synthetic 5.10
MGB GT V8 1972-76 3.5 carb Castrol Classic RX15701L RX1570 XL30 mongrade