I was wondering if the oil experts here can tell me the real difference between the 10w50 which costs $12/qt and the 20w50 which I can get at AAP for $9-10?
CastrolPower RS Racing 4T
10w50 Jaso MA-2
API- SL
Vis 100C = 17.14
Vis 212F SUS = 86.5
Vis 40C =110.0
Vis index= 166
HtHS vis = 3.7
Low temp pump 60,000@-30
Low temp crank vis 7000@-25
pour point (0)
Castrol Power RS Vtwin 4T 20w50
20w50 Jaso MA-2
API SJ
Vis 100C=17.5
HTHS vis 150c =3.7
Low temp pump 60,000@-20
Low temp crank vis 9500@-15
CastrolPower RS Racing 4T
10w50 Jaso MA-2
API- SL
Vis 100C = 17.14
Vis 212F SUS = 86.5
Vis 40C =110.0
Vis index= 166
HtHS vis = 3.7
Low temp pump 60,000@-30
Low temp crank vis 7000@-25
pour point (0)
Castrol Power RS Vtwin 4T 20w50
20w50 Jaso MA-2
API SJ
Vis 100C=17.5
HTHS vis 150c =3.7
Low temp pump 60,000@-20
Low temp crank vis 9500@-15