Originally Posted By: Quattro Pete
Yes, PU 5w-40 is still API SM.
12 months is basically my plan for this car. I did 16 months (6K miles) once and didn't like the UOA results.
Does your calculator take oil sump capacity into account at all?
YES!
Originally Posted By: Johnny248
2011 Ram 1500 5.7L MDS Hemi , Amsoil Signature 0w20 SM
11511 miles or 13.8 months
Towing: 7557 or 9.1 months
Originally Posted By: hounddog
2009 Dodge Ram 1500 5.7 hemi 5w20Amsoil Xl SN
9293 miles or 11.2 months
Towing: 6160 or 7.4 months
Originally Posted By: shell_user
91' Chevy truck 350 v-8 Rotella T5
6226 miles or 7.5 months
Towing: 4202 or 5 months
Originally Posted By: tinmanSC
2000 Lexus GS300
2007 Mercury Milan, Duratec V6.
both use Valvoline SynPower 5w30 in the winter.
Lexus: 8044 miles or 9.7 months
Mercury: 8260 miles or 9.9 months
Originally Posted By: LeakySeals
02 Camry XLE, 2.4L I4, M1 HM 5w30 SL
08 Pontiac GP, 3800 V6 Series III, PP 5w30 SN
Camry (with "easy on oil") factor: 9100 miles or 10.9 months
Pontiac: 7398 or 8.9 months
I cant find the TBN for PP 5w30 SN, so i assumed it was 9.0